Pre-Algebra Examples

$36 x^{4} + 72 x^{3} + 32 x^{2} x^{2} - 11 x - 126$

Step 1

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

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Step 1.1

Move $x^{2}$ .

$36 x^{4} + 72 x^{3} + 32 (x^{2} x^{2}) - 11 x - 126$

Step 1.2

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

$36 x^{4} + 72 x^{3} + 32 x^{2 + 2} - 11 x - 126$

Step 1.3

Add $2$ and $2$ .

$36 x^{4} + 72 x^{3} + 32 x^{4} - 11 x - 126$

Step 2

Add $36 x^{4}$ and $32 x^{4}$ .

$68 x^{4} + 72 x^{3} - 11 x - 126$