Find the Inverse f(x)=(x^3-2)^(1/5)+3

$f (x) = {(x^{3} - 2)}^{\frac{1}{5}} + 3$

Step 1

Write $f (x) = {(x^{3} - 2)}^{\frac{1}{5}} + 3$ as an equation.

$y = {(x^{3} - 2)}^{\frac{1}{5}} + 3$

Step 2

Interchange the variables.

$x = {(y^{3} - 2)}^{\frac{1}{5}} + 3$

Step 3

Solve for $y$ .

Rewrite the equation as ${(y^{3} - 2)}^{\frac{1}{5}} + 3 = x$ .

${(y^{3} - 2)}^{\frac{1}{5}} + 3 = x$

Subtract $3$ from both sides of the equation.

${(y^{3} - 2)}^{\frac{1}{5}} = x - 3$

Raise each side of the equation to the power of $5$ to eliminate the fractional exponent on the left side.

${({(y^{3} - 2)}^{\frac{1}{5}})}^{5} = {(x - 3)}^{5}$

Simplify the exponent.

Simplify the left side.

Simplify ${({(y^{3} - 2)}^{\frac{1}{5}})}^{5}$ .

Multiply the exponents in ${({(y^{3} - 2)}^{\frac{1}{5}})}^{5}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

${(y^{3} - 2)}^{\frac{1}{5} \cdot 5} = {(x - 3)}^{5}$

Cancel the common factor of $5$ .

Cancel the common factor.

${(y^{3} - 2)}^{\frac{1}{5} \cdot 5} = {(x - 3)}^{5}$

Rewrite the expression.

${(y^{3} - 2)}^{1} = {(x - 3)}^{5}$

Simplify.

$y^{3} - 2 = {(x - 3)}^{5}$

Simplify the right side.

Simplify ${(x - 3)}^{5}$ .

Use the Binomial Theorem.

$y^{3} - 2 = x^{5} + 5 x^{4} \cdot - 3 + 10 x^{3} {(- 3)}^{2} + 10 x^{2} {(- 3)}^{3} + 5 x {(- 3)}^{4} + {(- 3)}^{5}$

Simplify each term.

Multiply $- 3$ by $5$ .

$y^{3} - 2 = x^{5} - 15 x^{4} + 10 x^{3} {(- 3)}^{2} + 10 x^{2} {(- 3)}^{3} + 5 x {(- 3)}^{4} + {(- 3)}^{5}$

Raise $- 3$ to the power of $2$ .

$y^{3} - 2 = x^{5} - 15 x^{4} + 10 x^{3} \cdot 9 + 10 x^{2} {(- 3)}^{3} + 5 x {(- 3)}^{4} + {(- 3)}^{5}$

Multiply $9$ by $10$ .

$y^{3} - 2 = x^{5} - 15 x^{4} + 90 x^{3} + 10 x^{2} {(- 3)}^{3} + 5 x {(- 3)}^{4} + {(- 3)}^{5}$

Raise $- 3$ to the power of $3$ .

$y^{3} - 2 = x^{5} - 15 x^{4} + 90 x^{3} + 10 x^{2} \cdot - 27 + 5 x {(- 3)}^{4} + {(- 3)}^{5}$

Multiply $- 27$ by $10$ .

$y^{3} - 2 = x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 5 x {(- 3)}^{4} + {(- 3)}^{5}$

Raise $- 3$ to the power of $4$ .

$y^{3} - 2 = x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 5 x \cdot 81 + {(- 3)}^{5}$

Multiply $81$ by $5$ .

$y^{3} - 2 = x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x + {(- 3)}^{5}$

Raise $- 3$ to the power of $5$ .

$y^{3} - 2 = x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 243$

Solve for $y$ .

Move all terms not containing $y$ to the right side of the equation.

Add $2$ to both sides of the equation.

$y^{3} = x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 243 + 2$

Add $- 243$ and $2$ .

$y^{3} = x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241$

Take the cube root of both sides of the equation to eliminate the exponent on the left side.

$y = \sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}$

Step 4

Replace $y$ with $f^{- 1} (x)$ to show the final answer.

$f^{- 1} (x) = \sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}$

Step 5

Verify if $f^{- 1} (x) = \sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}$ is the inverse of $f (x) = {(x^{3} - 2)}^{\frac{1}{5}} + 3$ .

To verify the inverse, check if $f^{- 1} (f (x)) = x$ and $f (f^{- 1} (x)) = x$ .

Evaluate $f^{- 1} (f (x))$ .

Set up the composite result function.

$f^{- 1} (f (x))$

Evaluate $f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3)$ by substituting in the value of $f$ into $f^{- 1}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{{({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Use the Binomial Theorem.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{{({(x^{3} - 2)}^{\frac{1}{5}})}^{5} + 5 {({(x^{3} - 2)}^{\frac{1}{5}})}^{4} \cdot 3 + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{3} \cdot 3^{2} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Simplify terms.

Simplify each term.

Multiply the exponents in ${({(x^{3} - 2)}^{\frac{1}{5}})}^{5}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{{(x^{3} - 2)}^{\frac{1}{5} \cdot 5} + 5 {({(x^{3} - 2)}^{\frac{1}{5}})}^{4} \cdot 3 + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{3} \cdot 3^{2} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Cancel the common factor of $5$ .

Cancel the common factor.

Rewrite the expression.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{(x^{3} - 2) + 5 {({(x^{3} - 2)}^{\frac{1}{5}})}^{4} \cdot 3 + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{3} \cdot 3^{2} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Simplify.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 5 {({(x^{3} - 2)}^{\frac{1}{5}})}^{4} \cdot 3 + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{3} \cdot 3^{2} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply the exponents in ${({(x^{3} - 2)}^{\frac{1}{5}})}^{4}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 5 {(x^{3} - 2)}^{\frac{1}{5} \cdot 4} \cdot 3 + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{3} \cdot 3^{2} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Combine $\frac{1}{5}$ and $4$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 5 {(x^{3} - 2)}^{\frac{4}{5}} \cdot 3 + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{3} \cdot 3^{2} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $3$ by $5$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{3} \cdot 3^{2} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply the exponents in ${({(x^{3} - 2)}^{\frac{1}{5}})}^{3}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 10 {(x^{3} - 2)}^{\frac{1}{5} \cdot 3} \cdot 3^{2} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Combine $\frac{1}{5}$ and $3$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 10 {(x^{3} - 2)}^{\frac{3}{5}} \cdot 3^{2} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Raise $3$ to the power of $2$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 10 {(x^{3} - 2)}^{\frac{3}{5}} \cdot 9 + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $9$ by $10$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 10 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply the exponents in ${({(x^{3} - 2)}^{\frac{1}{5}})}^{2}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 10 {(x^{3} - 2)}^{\frac{1}{5} \cdot 2} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Combine $\frac{1}{5}$ and $2$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 10 {(x^{3} - 2)}^{\frac{2}{5}} \cdot 3^{3} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Raise $3$ to the power of $3$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 10 {(x^{3} - 2)}^{\frac{2}{5}} \cdot 27 + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $27$ by $10$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{4} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Raise $3$ to the power of $4$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 5 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 81 + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $81$ by $5$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 3^{5} - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Raise $3$ to the power of $5$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 2 + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 243 - 15 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{4} + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Add $- 2$ and $243$ .

Use the Binomial Theorem.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({({(x^{3} - 2)}^{\frac{1}{5}})}^{4} + 4 {({(x^{3} - 2)}^{\frac{1}{5}})}^{3} \cdot 3 + 6 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{2} + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{3} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Simplify terms.

Simplify each term.

Multiply the exponents in ${({(x^{3} - 2)}^{\frac{1}{5}})}^{4}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{1}{5} \cdot 4} + 4 {({(x^{3} - 2)}^{\frac{1}{5}})}^{3} \cdot 3 + 6 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{2} + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{3} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Combine $\frac{1}{5}$ and $4$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 4 {({(x^{3} - 2)}^{\frac{1}{5}})}^{3} \cdot 3 + 6 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{2} + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{3} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply the exponents in ${({(x^{3} - 2)}^{\frac{1}{5}})}^{3}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 4 {(x^{3} - 2)}^{\frac{1}{5} \cdot 3} \cdot 3 + 6 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{2} + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{3} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Combine $\frac{1}{5}$ and $3$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 4 {(x^{3} - 2)}^{\frac{3}{5}} \cdot 3 + 6 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{2} + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{3} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $3$ by $4$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 12 {(x^{3} - 2)}^{\frac{3}{5}} + 6 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3^{2} + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{3} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply the exponents in ${({(x^{3} - 2)}^{\frac{1}{5}})}^{2}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 12 {(x^{3} - 2)}^{\frac{3}{5}} + 6 {(x^{3} - 2)}^{\frac{1}{5} \cdot 2} \cdot 3^{2} + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{3} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Combine $\frac{1}{5}$ and $2$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 12 {(x^{3} - 2)}^{\frac{3}{5}} + 6 {(x^{3} - 2)}^{\frac{2}{5}} \cdot 3^{2} + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{3} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Raise $3$ to the power of $2$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 12 {(x^{3} - 2)}^{\frac{3}{5}} + 6 {(x^{3} - 2)}^{\frac{2}{5}} \cdot 9 + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{3} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $9$ by $6$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 12 {(x^{3} - 2)}^{\frac{3}{5}} + 54 {(x^{3} - 2)}^{\frac{2}{5}} + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{3} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Raise $3$ to the power of $3$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 12 {(x^{3} - 2)}^{\frac{3}{5}} + 54 {(x^{3} - 2)}^{\frac{2}{5}} + 4 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 27 + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $27$ by $4$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 12 {(x^{3} - 2)}^{\frac{3}{5}} + 54 {(x^{3} - 2)}^{\frac{2}{5}} + 108 {(x^{3} - 2)}^{\frac{1}{5}} + 3^{4}) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Raise $3$ to the power of $4$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 ({(x^{3} - 2)}^{\frac{4}{5}} + 12 {(x^{3} - 2)}^{\frac{3}{5}} + 54 {(x^{3} - 2)}^{\frac{2}{5}} + 108 {(x^{3} - 2)}^{\frac{1}{5}} + 81) + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Apply the distributive property.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 15 (12 {(x^{3} - 2)}^{\frac{3}{5}}) - 15 (54 {(x^{3} - 2)}^{\frac{2}{5}}) - 15 (108 {(x^{3} - 2)}^{\frac{1}{5}}) - 15 \cdot 81 + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Simplify.

Multiply $12$ by $- 15$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 15 (54 {(x^{3} - 2)}^{\frac{2}{5}}) - 15 (108 {(x^{3} - 2)}^{\frac{1}{5}}) - 15 \cdot 81 + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $54$ by $- 15$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 15 (108 {(x^{3} - 2)}^{\frac{1}{5}}) - 15 \cdot 81 + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $108$ by $- 15$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 15 \cdot 81 + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $- 15$ by $81$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{3} - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Use the Binomial Theorem.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({({(x^{3} - 2)}^{\frac{1}{5}})}^{3} + 3 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3 + 3 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{2} + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Simplify terms.

Simplify each term.

Multiply the exponents in ${({(x^{3} - 2)}^{\frac{1}{5}})}^{3}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{1}{5} \cdot 3} + 3 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3 + 3 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{2} + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Combine $\frac{1}{5}$ and $3$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{3}{5}} + 3 {({(x^{3} - 2)}^{\frac{1}{5}})}^{2} \cdot 3 + 3 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{2} + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply the exponents in ${({(x^{3} - 2)}^{\frac{1}{5}})}^{2}$ .

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{3}{5}} + 3 {(x^{3} - 2)}^{\frac{1}{5} \cdot 2} \cdot 3 + 3 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{2} + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Combine $\frac{1}{5}$ and $2$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{3}{5}} + 3 {(x^{3} - 2)}^{\frac{2}{5}} \cdot 3 + 3 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{2} + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $3$ by $3$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{3}{5}} + 9 {(x^{3} - 2)}^{\frac{2}{5}} + 3 {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3^{2} + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $3$ by $3^{2}$ by adding the exponents.

Move $3^{2}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{3}{5}} + 9 {(x^{3} - 2)}^{\frac{2}{5}} + 3^{2} \cdot (3 {(x^{3} - 2)}^{\frac{1}{5}}) + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $3^{2}$ by $3$ .

Raise $3$ to the power of $1$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{3}{5}} + 9 {(x^{3} - 2)}^{\frac{2}{5}} + 3^{2} \cdot (3 {(x^{3} - 2)}^{\frac{1}{5}}) + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{3}{5}} + 9 {(x^{3} - 2)}^{\frac{2}{5}} + 3^{2 + 1} {(x^{3} - 2)}^{\frac{1}{5}} + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Add $2$ and $1$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{3}{5}} + 9 {(x^{3} - 2)}^{\frac{2}{5}} + 3^{3} {(x^{3} - 2)}^{\frac{1}{5}} + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Raise $3$ to the power of $3$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{3}{5}} + 9 {(x^{3} - 2)}^{\frac{2}{5}} + 27 {(x^{3} - 2)}^{\frac{1}{5}} + 3^{3}) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Raise $3$ to the power of $3$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 ({(x^{3} - 2)}^{\frac{3}{5}} + 9 {(x^{3} - 2)}^{\frac{2}{5}} + 27 {(x^{3} - 2)}^{\frac{1}{5}} + 27) - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Apply the distributive property.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 90 (9 {(x^{3} - 2)}^{\frac{2}{5}}) + 90 (27 {(x^{3} - 2)}^{\frac{1}{5}}) + 90 \cdot 27 - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Simplify.

Multiply $9$ by $90$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 90 (27 {(x^{3} - 2)}^{\frac{1}{5}}) + 90 \cdot 27 - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $27$ by $90$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 90 \cdot 27 - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $90$ by $27$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2} + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Rewrite ${({(x^{3} - 2)}^{\frac{1}{5}} + 3)}^{2}$ as $({(x^{3} - 2)}^{\frac{1}{5}} + 3) ({(x^{3} - 2)}^{\frac{1}{5}} + 3)$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 (({(x^{3} - 2)}^{\frac{1}{5}} + 3) ({(x^{3} - 2)}^{\frac{1}{5}} + 3)) + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Expand $({(x^{3} - 2)}^{\frac{1}{5}} + 3) ({(x^{3} - 2)}^{\frac{1}{5}} + 3)$ using the FOIL Method.

Apply the distributive property.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 ({(x^{3} - 2)}^{\frac{1}{5}} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) + 3 ({(x^{3} - 2)}^{\frac{1}{5}} + 3)) + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Apply the distributive property.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 ({(x^{3} - 2)}^{\frac{1}{5}} {(x^{3} - 2)}^{\frac{1}{5}} + {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3 + 3 ({(x^{3} - 2)}^{\frac{1}{5}} + 3)) + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Apply the distributive property.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 ({(x^{3} - 2)}^{\frac{1}{5}} {(x^{3} - 2)}^{\frac{1}{5}} + {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3 + 3 {(x^{3} - 2)}^{\frac{1}{5}} + 3 \cdot 3) + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Simplify and combine like terms.

Simplify each term.

Multiply ${(x^{3} - 2)}^{\frac{1}{5}}$ by ${(x^{3} - 2)}^{\frac{1}{5}}$ by adding the exponents.

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 ({(x^{3} - 2)}^{\frac{1}{5} + \frac{1}{5}} + {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3 + 3 {(x^{3} - 2)}^{\frac{1}{5}} + 3 \cdot 3) + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Combine the numerators over the common denominator.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 ({(x^{3} - 2)}^{\frac{1 + 1}{5}} + {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3 + 3 {(x^{3} - 2)}^{\frac{1}{5}} + 3 \cdot 3) + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Add $1$ and $1$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 ({(x^{3} - 2)}^{\frac{2}{5}} + {(x^{3} - 2)}^{\frac{1}{5}} \cdot 3 + 3 {(x^{3} - 2)}^{\frac{1}{5}} + 3 \cdot 3) + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Move $3$ to the left of ${(x^{3} - 2)}^{\frac{1}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 ({(x^{3} - 2)}^{\frac{2}{5}} + 3 \cdot {(x^{3} - 2)}^{\frac{1}{5}} + 3 {(x^{3} - 2)}^{\frac{1}{5}} + 3 \cdot 3) + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $3$ by $3$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 ({(x^{3} - 2)}^{\frac{2}{5}} + 3 {(x^{3} - 2)}^{\frac{1}{5}} + 3 {(x^{3} - 2)}^{\frac{1}{5}} + 9) + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Add $3 {(x^{3} - 2)}^{\frac{1}{5}}$ and $3 {(x^{3} - 2)}^{\frac{1}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 ({(x^{3} - 2)}^{\frac{2}{5}} + 6 {(x^{3} - 2)}^{\frac{1}{5}} + 9) + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Apply the distributive property.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 270 (6 {(x^{3} - 2)}^{\frac{1}{5}}) - 270 \cdot 9 + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Simplify.

Multiply $6$ by $- 270$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 270 \cdot 9 + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Multiply $- 270$ by $9$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 2430 + 405 ({(x^{3} - 2)}^{\frac{1}{5}} + 3) - 241}$

Apply the distributive property.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 2430 + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 405 \cdot 3 - 241}$

Multiply $405$ by $3$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 15 {(x^{3} - 2)}^{\frac{4}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 15 {(x^{3} - 2)}^{\frac{4}{5}} - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 2430 + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 1215 - 241}$

Subtract $15 {(x^{3} - 2)}^{\frac{4}{5}}$ from $15 {(x^{3} - 2)}^{\frac{4}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 + 0 - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 2430 + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 1215 - 241}$

Add $x^{3}$ and $0$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 180 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 2430 + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 1215 - 241}$

Subtract $180 {(x^{3} - 2)}^{\frac{3}{5}}$ from $90 {(x^{3} - 2)}^{\frac{3}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 270 {(x^{3} - 2)}^{\frac{2}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 90 {(x^{3} - 2)}^{\frac{3}{5}} - 810 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 2430 + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 1215 - 241}$

Subtract $810 {(x^{3} - 2)}^{\frac{2}{5}}$ from $270 {(x^{3} - 2)}^{\frac{2}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 241 - 90 {(x^{3} - 2)}^{\frac{3}{5}} - 540 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 2430 + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 1215 - 241}$

Subtract $1620 {(x^{3} - 2)}^{\frac{1}{5}}$ from $405 {(x^{3} - 2)}^{\frac{1}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 241 - 90 {(x^{3} - 2)}^{\frac{3}{5}} - 540 {(x^{3} - 2)}^{\frac{2}{5}} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} - 1215 + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 2430 + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 1215 - 241}$

Simplify by adding and subtracting.

Subtract $1215$ from $241$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 974 - 90 {(x^{3} - 2)}^{\frac{3}{5}} - 540 {(x^{3} - 2)}^{\frac{2}{5}} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 2430 + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 1215 - 241}$

Add $- 974$ and $2430$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 1456 - 90 {(x^{3} - 2)}^{\frac{3}{5}} - 540 {(x^{3} - 2)}^{\frac{2}{5}} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} - 2430 + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 1215 - 241}$

Subtract $2430$ from $1456$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 974 - 90 {(x^{3} - 2)}^{\frac{3}{5}} - 540 {(x^{3} - 2)}^{\frac{2}{5}} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} + 1215 - 241}$

Add $- 974$ and $1215$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 241 - 90 {(x^{3} - 2)}^{\frac{3}{5}} - 540 {(x^{3} - 2)}^{\frac{2}{5}} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}} - 241}$

Subtract $241$ from $241$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 0 - 90 {(x^{3} - 2)}^{\frac{3}{5}} - 540 {(x^{3} - 2)}^{\frac{2}{5}} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}}}$

Add $x^{3}$ and $0$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 90 {(x^{3} - 2)}^{\frac{3}{5}} - 540 {(x^{3} - 2)}^{\frac{2}{5}} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 90 {(x^{3} - 2)}^{\frac{3}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}}}$

Add $- 90 {(x^{3} - 2)}^{\frac{3}{5}}$ and $90 {(x^{3} - 2)}^{\frac{3}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 0 - 540 {(x^{3} - 2)}^{\frac{2}{5}} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}}}$

Add $x^{3}$ and $0$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 540 {(x^{3} - 2)}^{\frac{2}{5}} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 810 {(x^{3} - 2)}^{\frac{2}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}}}$

Add $- 540 {(x^{3} - 2)}^{\frac{2}{5}}$ and $810 {(x^{3} - 2)}^{\frac{2}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} - 270 {(x^{3} - 2)}^{\frac{2}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}}}$

Subtract $270 {(x^{3} - 2)}^{\frac{2}{5}}$ from $270 {(x^{3} - 2)}^{\frac{2}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 0 - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}}}$

Add $x^{3}$ and $0$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 1215 {(x^{3} - 2)}^{\frac{1}{5}} + 2430 {(x^{3} - 2)}^{\frac{1}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}}}$

Add $- 1215 {(x^{3} - 2)}^{\frac{1}{5}}$ and $2430 {(x^{3} - 2)}^{\frac{1}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 1215 {(x^{3} - 2)}^{\frac{1}{5}} - 1620 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}}}$

Subtract $1620 {(x^{3} - 2)}^{\frac{1}{5}}$ from $1215 {(x^{3} - 2)}^{\frac{1}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} - 405 {(x^{3} - 2)}^{\frac{1}{5}} + 405 {(x^{3} - 2)}^{\frac{1}{5}}}$

Add $- 405 {(x^{3} - 2)}^{\frac{1}{5}}$ and $405 {(x^{3} - 2)}^{\frac{1}{5}}$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3} + 0}$

Add $x^{3}$ and $0$ .

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = \sqrt[3]{x^{3}}$

Pull terms out from under the radical, assuming real numbers.

$f^{- 1} ({(x^{3} - 2)}^{\frac{1}{5}} + 3) = x$

Evaluate $f (f^{- 1} (x))$ .

Set up the composite result function.

$f (f^{- 1} (x))$

Evaluate $f (\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241})$ by substituting in the value of $f^{- 1}$ into $f$ .

$f (\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}) = {({(\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241})}^{3} - 2)}^{\frac{1}{5}} + 3$

Simplify each term.

Rewrite ${\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}}^{3}$ as $x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241$ .

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}$ as ${(x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241)}^{\frac{1}{3}}$ .

$f (\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}) = {({({(x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241)}^{\frac{1}{3}})}^{3} - 2)}^{\frac{1}{5}} + 3$

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f (\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}) = {({(x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241)}^{\frac{1}{3} \cdot 3} - 2)}^{\frac{1}{5}} + 3$

Combine $\frac{1}{3}$ and $3$ .

$f (\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}) = {({(x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241)}^{\frac{3}{3}} - 2)}^{\frac{1}{5}} + 3$

Cancel the common factor of $3$ .

Cancel the common factor.

$f (\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}) = {({(x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241)}^{\frac{3}{3}} - 2)}^{\frac{1}{5}} + 3$

Rewrite the expression.

$f (\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}) = {((x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241) - 2)}^{\frac{1}{5}} + 3$

Simplify.

$f (\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}) = {(x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241 - 2)}^{\frac{1}{5}} + 3$

Subtract $2$ from $- 241$ .

$f (\sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}) = {(x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 243)}^{\frac{1}{5}} + 3$

Since $f^{- 1} (f (x)) = x$ and $f (f^{- 1} (x)) = x$ , then $f^{- 1} (x) = \sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}$ is the inverse of $f (x) = {(x^{3} - 2)}^{\frac{1}{5}} + 3$ .

$f^{- 1} (x) = \sqrt[3]{x^{5} - 15 x^{4} + 90 x^{3} - 270 x^{2} + 405 x - 241}$

Find the Inverse f(x)=(x^3-2)^(1/5)+3

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