Algebra Examples

$2 + (9^{2} - 4)$

Step 1

Remove parentheses.

$2 + 9^{2} - 4$

Step 2

Raise $9$ to the power of $2$ .

$2 + 81 - 4$

Step 3

Add $2$ and $81$ .

$83 - 4$

Step 4

Subtract $4$ from $83$ .

$79$

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