Algebra Examples

$y (a - b) - (a - b)$

Step 1

Factor $a - b$ out of $y (a - b)$ .

$(a - b) y - (a - b)$

Step 2

Factor $a - b$ out of $- (a - b)$ .

$(a - b) y + (a - b) \cdot - 1$

Step 3

Factor $a - b$ out of $(a - b) y + (a - b) \cdot - 1$ .

$(a - b) (y - 1)$