Pre-Algebra Examples

$(7 w^{2} + 4 w - 6) + (w^{2} - 11 w + 13)$

Step 1

Remove parentheses.

$7 w^{2} + 4 w - 6 + w^{2} - 11 w + 13$

Step 2

Add $7 w^{2}$ and $w^{2}$ .

$8 w^{2} + 4 w - 6 - 11 w + 13$

Step 3

Subtract $11 w$ from $4 w$ .

$8 w^{2} - 7 w - 6 + 13$

Step 4

Add $- 6$ and $13$ .

$8 w^{2} - 7 w + 7$

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