Pre-Algebra Examples

$(x^{2} - 10) + (6 x^{2} + 2)$

Step 1

Remove parentheses.

$x^{2} - 10 + 6 x^{2} + 2$

Step 2

Add $x^{2}$ and $6 x^{2}$ .

$7 x^{2} - 10 + 2$

Step 3

Add $- 10$ and $2$ .

$7 x^{2} - 8$

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