Algebra Examples

$5 x (x + 9) - 7 (x + 9)$

Step 1

Factor $x + 9$ out of $5 x (x + 9)$ .

$(x + 9) (5 x) - 7 (x + 9)$

Step 2

Factor $x + 9$ out of $- 7 (x + 9)$ .

$(x + 9) (5 x) + (x + 9) \cdot - 7$

Step 3

Factor $x + 9$ out of $(x + 9) (5 x) + (x + 9) \cdot - 7$ .

$(x + 9) (5 x - 7)$