Pre-Algebra Examples

$(2 x^{2} - 8 x - 6) + (9 x^{2} - 8)$

Step 1

Remove parentheses.

$2 x^{2} - 8 x - 6 + 9 x^{2} - 8$

Step 2

Add $2 x^{2}$ and $9 x^{2}$ .

$11 x^{2} - 8 x - 6 - 8$

Step 3

Subtract $8$ from $- 6$ .

$11 x^{2} - 8 x - 14$

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