Algebra Examples

$f (12) = 4 (12) - 20$

Step 1

Multiply $4$ by $12$ .

$f (12) = 48 - 20$

Step 2

Subtract $20$ from $48$ .

$f (12) = 28$

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