Pre-Algebra Examples

$(2 x^{3} + 3 x^{2} - 5) + (3 x^{2} + 7)$

Step 1

Remove parentheses.

$2 x^{3} + 3 x^{2} - 5 + 3 x^{2} + 7$

Step 2

Add $3 x^{2}$ and $3 x^{2}$ .

$2 x^{3} + 6 x^{2} - 5 + 7$

Step 3

Add $- 5$ and $7$ .

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

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