Algebra Examples

{(x - 3)}^{3}

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

Step 1

Use the Binomial Theorem.

$x^{3} + 3 x^{2} \cdot - 3 + 3 x {(- 3)}^{2} + {(- 3)}^{3}$

Step 2

Simplify each term.

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Step 2.1

Multiply

$- 3$ by

$3$ .

$x^{3} - 9 x^{2} + 3 x {(- 3)}^{2} + {(- 3)}^{3}$

Step 2.2

Raise

$- 3$ to the power of

$2$ .

$x^{3} - 9 x^{2} + 3 x \cdot 9 + {(- 3)}^{3}$

Step 2.3

Multiply

$9$ by

$3$ .

$x^{3} - 9 x^{2} + 27 x + {(- 3)}^{3}$

Step 2.4

Raise

$- 3$ to the power of

$3$ .

$x^{3} - 9 x^{2} + 27 x - 27$