Find the x and y Intercepts f(x)=-2(4x^2+2)^2(x-6)

$f (x) = - 2 {(4 x^{2} + 2)}^{2} (x - 6)$

Step 1

Find the x-intercepts.

To find the x-intercept(s), substitute in $0$ for $y$ and solve for $x$ .

$0 = - 2 {(4 x^{2} + 2)}^{2} (x - 6)$

Solve the equation.

Rewrite the equation as $- 2 {(4 x^{2} + 2)}^{2} (x - 6) = 0$ .

$- 2 {(4 x^{2} + 2)}^{2} (x - 6) = 0$

If any individual factor on the left side of the equation is equal to $0$ , the entire expression will be equal to $0$ .

${(4 x^{2} + 2)}^{2} = 0$

$x - 6 = 0$

Set ${(4 x^{2} + 2)}^{2}$ equal to $0$ and solve for $x$ .

Set ${(4 x^{2} + 2)}^{2}$ equal to $0$ .

${(4 x^{2} + 2)}^{2} = 0$

Solve ${(4 x^{2} + 2)}^{2} = 0$ for $x$ .

Factor the left side of the equation.

Factor $2$ out of $4 x^{2} + 2$ .

Factor $2$ out of $4 x^{2}$ .

${(2 (2 x^{2}) + 2)}^{2} = 0$

Factor $2$ out of $2$ .

${(2 (2 x^{2}) + 2 (1))}^{2} = 0$

Factor $2$ out of $2 (2 x^{2}) + 2 (1)$ .

${(2 (2 x^{2} + 1))}^{2} = 0$

Apply the product rule to $2 (2 x^{2} + 1)$ .

$2^{2} {(2 x^{2} + 1)}^{2} = 0$

Divide each term in $2^{2} {(2 x^{2} + 1)}^{2} = 0$ by $2^{2}$ and simplify.

Divide each term in $2^{2} {(2 x^{2} + 1)}^{2} = 0$ by $2^{2}$ .

$\frac{2^{2} {(2 x^{2} + 1)}^{2}}{2^{2}} = \frac{0}{2^{2}}$

Simplify the left side.

Cancel the common factor of $2^{2}$ .

Cancel the common factor.

$\frac{2^{2} {(2 x^{2} + 1)}^{2}}{2^{2}} = \frac{0}{2^{2}}$

Divide ${(2 x^{2} + 1)}^{2}$ by $1$ .

${(2 x^{2} + 1)}^{2} = \frac{0}{2^{2}}$

Simplify the right side.

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

${(2 x^{2} + 1)}^{2} = \frac{0}{4}$

Divide $0$ by $4$ .

${(2 x^{2} + 1)}^{2} = 0$

Set the $2 x^{2} + 1$ equal to $0$ .

$2 x^{2} + 1 = 0$

Solve for $x$ .

Subtract $1$ from both sides of the equation.

$2 x^{2} = - 1$

Divide each term in $2 x^{2} = - 1$ by $2$ and simplify.

Divide each term in $2 x^{2} = - 1$ by $2$ .

$\frac{2 x^{2}}{2} = \frac{- 1}{2}$

Simplify the left side.

Cancel the common factor of $2$ .

Cancel the common factor.

$\frac{2 x^{2}}{2} = \frac{- 1}{2}$

Divide $x^{2}$ by $1$ .

$x^{2} = \frac{- 1}{2}$

Simplify the right side.

Move the negative in front of the fraction.

$x^{2} = - \frac{1}{2}$

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

$x = \pm \sqrt{- \frac{1}{2}}$

Simplify $\pm \sqrt{- \frac{1}{2}}$ .

Rewrite $- \frac{1}{2}$ as $i^{2} \frac{1^{2}}{2}$ .

Rewrite $- 1$ as $i^{2}$ .

$x = \pm \sqrt{i^{2} \frac{1}{2}}$

Rewrite $1$ as $1^{2}$ .

$x = \pm \sqrt{i^{2} \frac{1^{2}}{2}}$

Pull terms out from under the radical.

$x = \pm i \sqrt{\frac{1^{2}}{2}}$

One to any power is one.

$x = \pm i \sqrt{\frac{1}{2}}$

Rewrite $\sqrt{\frac{1}{2}}$ as $\frac{\sqrt{1}}{\sqrt{2}}$ .

$x = \pm i \frac{\sqrt{1}}{\sqrt{2}}$

Any root of $1$ is $1$ .

$x = \pm i \frac{1}{\sqrt{2}}$

Multiply $\frac{1}{\sqrt{2}}$ by $\frac{\sqrt{2}}{\sqrt{2}}$ .

$x = \pm i (\frac{1}{\sqrt{2}} \cdot \frac{\sqrt{2}}{\sqrt{2}})$

Combine and simplify the denominator.

Multiply $\frac{1}{\sqrt{2}}$ by $\frac{\sqrt{2}}{\sqrt{2}}$ .

$x = \pm i \frac{\sqrt{2}}{\sqrt{2} \sqrt{2}}$

Raise $\sqrt{2}$ to the power of $1$ .

$x = \pm i \frac{\sqrt{2}}{{\sqrt{2}}^{1} \sqrt{2}}$

Raise $\sqrt{2}$ to the power of $1$ .

$x = \pm i \frac{\sqrt{2}}{{\sqrt{2}}^{1} {\sqrt{2}}^{1}}$

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

$x = \pm i \frac{\sqrt{2}}{{\sqrt{2}}^{1 + 1}}$

Add $1$ and $1$ .

$x = \pm i \frac{\sqrt{2}}{{\sqrt{2}}^{2}}$

Rewrite ${\sqrt{2}}^{2}$ as $2$ .

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{2}$ as $2^{\frac{1}{2}}$ .

$x = \pm i \frac{\sqrt{2}}{{(2^{\frac{1}{2}})}^{2}}$

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

$x = \pm i \frac{\sqrt{2}}{2^{\frac{1}{2} \cdot 2}}$

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

$x = \pm i \frac{\sqrt{2}}{2^{\frac{2}{2}}}$

Cancel the common factor of $2$ .

Cancel the common factor.

$x = \pm i \frac{\sqrt{2}}{2^{\frac{2}{2}}}$

Rewrite the expression.

$x = \pm i \frac{\sqrt{2}}{2^{1}}$

Evaluate the exponent.

$x = \pm i \frac{\sqrt{2}}{2}$

Combine $i$ and $\frac{\sqrt{2}}{2}$ .

$x = \pm \frac{i \sqrt{2}}{2}$

The complete solution is the result of both the positive and negative portions of the solution.

First, use the positive value of the $\pm$ to find the first solution.

$x = \frac{i \sqrt{2}}{2}$

Next, use the negative value of the $\pm$ to find the second solution.

$x = - \frac{i \sqrt{2}}{2}$

The complete solution is the result of both the positive and negative portions of the solution.

$x = \frac{i \sqrt{2}}{2}, - \frac{i \sqrt{2}}{2}$

Set $x - 6$ equal to $0$ and solve for $x$ .

Set $x - 6$ equal to $0$ .

$x - 6 = 0$

Add $6$ to both sides of the equation.

$x = 6$

The final solution is all the values that make $- 2 {(4 x^{2} + 2)}^{2} (x - 6) = 0$ true.

$x = \frac{i \sqrt{2}}{2}, - \frac{i \sqrt{2}}{2}, 6$

x-intercept(s) in point form.

x-intercept(s): $(6, 0)$

Step 2

Find the y-intercepts.

To find the y-intercept(s), substitute in $0$ for $x$ and solve for $y$ .

$y = - 2 {(4 {(0)}^{2} + 2)}^{2} ((0) - 6)$

Solve the equation.

Remove parentheses.

$y = - 2 {(4 \cdot 0^{2} + 2)}^{2} ((0) - 6)$

Remove parentheses.

$y = - 2 {(4 \cdot 0^{2} + 2)}^{2} (0 - 6)$

Remove parentheses.

$y = - 2 {(4 {(0)}^{2} + 2)}^{2} ((0) - 6)$

Simplify $- 2 {(4 {(0)}^{2} + 2)}^{2} ((0) - 6)$ .

Simplify each term.

Raising $0$ to any positive power yields $0$ .

$y = - 2 {(4 \cdot 0 + 2)}^{2} ((0) - 6)$

Multiply $4$ by $0$ .

$y = - 2 {(0 + 2)}^{2} ((0) - 6)$

Simplify the expression.

Add $0$ and $2$ .

$y = - 2 \cdot 2^{2} ((0) - 6)$

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

$y = - 2 \cdot 4 ((0) - 6)$

Multiply $- 2$ by $4$ .

$y = - 8 ((0) - 6)$

Subtract $6$ from $0$ .

$y = - 8 \cdot - 6$

Multiply $- 8$ by $- 6$ .

$y = 48$

y-intercept(s) in point form.

y-intercept(s): $(0, 48)$

Step 3

List the intersections.

x-intercept(s): $(6, 0)$

y-intercept(s): $(0, 48)$

Step 4

Find the x and y Intercepts f(x)=-2(4x^2+2)^2(x-6)

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