Pre-Algebra Examples

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

Step 1

Remove parentheses.

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

Step 2

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

$5 x^{2} + 5 x + 2 + x$

Step 3

Add $5 x$ and $x$ .

$5 x^{2} + 6 x + 2$

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