Pre-Algebra Examples

$- 8 r^{2} + 11 r - 6 - 7 r^{2} - 9 r + 14$

Step 1

Subtract $7 r^{2}$ from $- 8 r^{2}$ .

$- 15 r^{2} + 11 r - 6 - 9 r + 14$

Step 2

Subtract $9 r$ from $11 r$ .

$- 15 r^{2} + 2 r - 6 + 14$

Step 3

Add $- 6$ and $14$ .

$- 15 r^{2} + 2 r + 8$

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