Pre-Algebra Examples

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

Step 1

Remove parentheses.

$6 a - 3 a^{2} + 2 a^{2} - 3 a$

Step 2

Subtract $3 a$ from $6 a$ .

$- 3 a^{2} + 2 a^{2} + 3 a$

Step 3

Add $- 3 a^{2}$ and $2 a^{2}$ .

$- a^{2} + 3 a$

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