Pre-Algebra Examples

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

Step 1

Remove parentheses.

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

Step 2

Add $3 x$ and $6 x$ .

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

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