Pre-Algebra Examples

$(7 + 8 x^{7} + 5 x^{4}) + (9 x^{7} + 4 x^{4} + 9)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$7 + 8 x^{7} + 5 x^{4} + 9 x^{7} + 4 x^{4} + 9$

Step 1.2

Add $7$ and $9$ .

$8 x^{7} + 5 x^{4} + 9 x^{7} + 4 x^{4} + 16$

Step 2

Add $8 x^{7}$ and $9 x^{7}$ .

$17 x^{7} + 5 x^{4} + 4 x^{4} + 16$

Step 3

Add $5 x^{4}$ and $4 x^{4}$ .

$17 x^{7} + 9 x^{4} + 16$