Basic Math Examples

$7 b^{2} - 3 b - 1 + (5 b^{2} - 6 b + 2)$

Step 1

Remove parentheses.

$7 b^{2} - 3 b - 1 + 5 b^{2} - 6 b + 2$

Step 2

Add $7 b^{2}$ and $5 b^{2}$ .

$12 b^{2} - 3 b - 1 - 6 b + 2$

Step 3

Subtract $6 b$ from $- 3 b$ .

$12 b^{2} - 9 b - 1 + 2$

Step 4

Add $- 1$ and $2$ .

$12 b^{2} - 9 b + 1$

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