Expand the Trigonometric Expression (3-2x)^6

${(3 - 2 x)}^{6}$

Step 1

Use the Binomial Theorem.

$3^{6} + 6 \cdot 3^{5} (- 2 x) + 15 \cdot 3^{4} {(- 2 x)}^{2} + 20 \cdot 3^{3} {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Step 2

Simplify each term.

Raise $3$ to the power of $6$ .

$729 + 6 \cdot 3^{5} (- 2 x) + 15 \cdot 3^{4} {(- 2 x)}^{2} + 20 \cdot 3^{3} {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

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

$729 + 6 \cdot 243 (- 2 x) + 15 \cdot 3^{4} {(- 2 x)}^{2} + 20 \cdot 3^{3} {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Multiply $6$ by $243$ .

$729 + 1458 (- 2 x) + 15 \cdot 3^{4} {(- 2 x)}^{2} + 20 \cdot 3^{3} {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Multiply $- 2$ by $1458$ .

$729 - 2916 x + 15 \cdot 3^{4} {(- 2 x)}^{2} + 20 \cdot 3^{3} {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

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

$729 - 2916 x + 15 \cdot 81 {(- 2 x)}^{2} + 20 \cdot 3^{3} {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Multiply $15$ by $81$ .

$729 - 2916 x + 1215 {(- 2 x)}^{2} + 20 \cdot 3^{3} {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Apply the product rule to $- 2 x$ .

$729 - 2916 x + 1215 ({(- 2)}^{2} x^{2}) + 20 \cdot 3^{3} {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

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

$729 - 2916 x + 1215 (4 x^{2}) + 20 \cdot 3^{3} {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Multiply $4$ by $1215$ .

$729 - 2916 x + 4860 x^{2} + 20 \cdot 3^{3} {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

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

$729 - 2916 x + 4860 x^{2} + 20 \cdot 27 {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Multiply $20$ by $27$ .

$729 - 2916 x + 4860 x^{2} + 540 {(- 2 x)}^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Apply the product rule to $- 2 x$ .

$729 - 2916 x + 4860 x^{2} + 540 ({(- 2)}^{3} x^{3}) + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

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

$729 - 2916 x + 4860 x^{2} + 540 (- 8 x^{3}) + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Multiply $- 8$ by $540$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 15 \cdot 3^{2} {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

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

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 15 \cdot 9 {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Multiply $15$ by $9$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 135 {(- 2 x)}^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Apply the product rule to $- 2 x$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 135 ({(- 2)}^{4} x^{4}) + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Raise $- 2$ to the power of $4$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 135 (16 x^{4}) + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Multiply $16$ by $135$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 2160 x^{4} + 6 \cdot 3 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Multiply $6$ by $3$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 2160 x^{4} + 18 {(- 2 x)}^{5} + {(- 2 x)}^{6}$

Apply the product rule to $- 2 x$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 2160 x^{4} + 18 ({(- 2)}^{5} x^{5}) + {(- 2 x)}^{6}$

Raise $- 2$ to the power of $5$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 2160 x^{4} + 18 (- 32 x^{5}) + {(- 2 x)}^{6}$

Multiply $- 32$ by $18$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 2160 x^{4} - 576 x^{5} + {(- 2 x)}^{6}$

Apply the product rule to $- 2 x$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 2160 x^{4} - 576 x^{5} + {(- 2)}^{6} x^{6}$

Raise $- 2$ to the power of $6$ .

$729 - 2916 x + 4860 x^{2} - 4320 x^{3} + 2160 x^{4} - 576 x^{5} + 64 x^{6}$

Expand the Trigonometric Expression (3-2x)^6

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