Pre-Algebra Examples

$(7 y^{2} + 2 y - 3) + (2 - 4 y + 5 y)$

Step 1

Remove parentheses.

$7 y^{2} + 2 y - 3 + 2 - 4 y + 5 y$

Step 2

Subtract $4 y$ from $2 y$ .

$7 y^{2} - 2 y - 3 + 2 + 5 y$

Step 3

Add $- 2 y$ and $5 y$ .

$7 y^{2} + 3 y - 3 + 2$

Step 4

Add $- 3$ and $2$ .

$7 y^{2} + 3 y - 1$

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