Pre-Algebra Examples

$(- m^{2} + 6) + (- 4 m^{2} + 7 m + 2)$

Step 1

Remove parentheses.

$- m^{2} + 6 - 4 m^{2} + 7 m + 2$

Step 2

Subtract $4 m^{2}$ from $- m^{2}$ .

$- 5 m^{2} + 6 + 7 m + 2$

Step 3

Add $6$ and $2$ .

$- 5 m^{2} + 7 m + 8$

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