Pre-Algebra Examples

$(4 x^{2} - 7) + (6 x^{2} - 5)$

Step 1

Remove parentheses.

$4 x^{2} - 7 + 6 x^{2} - 5$

Step 2

Add $4 x^{2}$ and $6 x^{2}$ .

$10 x^{2} - 7 - 5$

Step 3

Subtract $5$ from $- 7$ .

$10 x^{2} - 12$

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