Pre-Algebra Examples

$(4 a^{3} - 8 a - 4 a^{2}) + (7 a^{3} - 7 - 6 a)$

Step 1

Remove parentheses.

$4 a^{3} - 8 a - 4 a^{2} + 7 a^{3} - 7 - 6 a$

Step 2

Add $4 a^{3}$ and $7 a^{3}$ .

$11 a^{3} - 8 a - 4 a^{2} - 7 - 6 a$

Step 3

Subtract $6 a$ from $- 8 a$ .

$11 a^{3} - 14 a - 4 a^{2} - 7$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$