Basic Math Examples

$7 a - 4 a^{2} + (3 + 9 a)$

Step 1

Remove parentheses.

$7 a - 4 a^{2} + 3 + 9 a$

Step 2

Add $7 a$ and $9 a$ .

$16 a - 4 a^{2} + 3$

Step 3

Reorder $16 a$ and $- 4 a^{2}$ .

$- 4 a^{2} + 16 a + 3$

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