Basic Math Examples

$- 2 y^{2} + 21 y - 30$

Step 1

Factor $- 1$ out of $- 2 y^{2}$ .

$- (2 y^{2}) + 21 y - 30$

Step 2

Factor $- 1$ out of $21 y$ .

$- (2 y^{2}) - (- 21 y) - 30$

Step 3

Rewrite $- 30$ as $- 1 (30)$ .

$- (2 y^{2}) - (- 21 y) - 1 (30)$

Step 4

Factor $- 1$ out of $- (2 y^{2}) - (- 21 y)$ .

$- (2 y^{2} - 21 y) - 1 (30)$

Step 5

Factor $- 1$ out of $- (2 y^{2} - 21 y) - 1 (30)$ .

$- (2 y^{2} - 21 y + 30)$