Basic Math Examples

$8 a^{2} - 7 a + 5 + (- 6 a^{2} + 9 a - 1)$

Step 1

Remove parentheses.

$8 a^{2} - 7 a + 5 - 6 a^{2} + 9 a - 1$

Step 2

Subtract $6 a^{2}$ from $8 a^{2}$ .

$2 a^{2} - 7 a + 5 + 9 a - 1$

Step 3

Add $- 7 a$ and $9 a$ .

$2 a^{2} + 2 a + 5 - 1$

Step 4

Subtract $1$ from $5$ .

$2 a^{2} + 2 a + 4$

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