Pre-Algebra Examples

$(- 4) (5) (- 2) (1 (- 3))$

Step 1

Multiply $- 4$ by $5$ .

$- 20 \cdot - 2 (1 (- 3))$

Step 2

Multiply $- 20$ by $- 2$ .

$40 (1 (- 3))$

Step 3

Multiply $- 3$ by $1$ .

$40 \cdot - 3$

Step 4

Multiply $40$ by $- 3$ .

$- 120$

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