Algebra Examples

$- 40$

Step 1

The factors for $- 40$ are all numbers between $- 40$ and $40$ , which divide $- 40$ evenly.

Check numbers between $- 40$ and $40$

Step 2

Find the factor pairs of $- 40$ where $x \cdot y = - 40$ .

$\begin{array}{c} x & y \\ 1 & - 40 \\ 2 & - 20 \\ 4 & - 10 \\ 5 & - 8 \\ 8 & - 5 \\ 10 & - 4 \\ 20 & - 2 \\ 40 & - 1 \end{array}$

Step 3

List the factors for $- 40$ .

$- 40, - 20, - 10, - 8, - 5, - 4, - 2, - 1, 1, 2, 4, 5, 8, 10, 20, 40$