Factor 15a-25b+20

$15 a - 25 b + 20$

Step 1

Factor $5$ out of $15 a$ .

$5 (3 a) - 25 b + 20$

Step 2

Factor $5$ out of $- 25 b$ .

$5 (3 a) + 5 (- 5 b) + 20$

Step 3

Factor $5$ out of $20$ .

$5 (3 a) + 5 (- 5 b) + 5 (4)$

Step 4

Factor $5$ out of $5 (3 a) + 5 (- 5 b)$ .

$5 (3 a - 5 b) + 5 (4)$

Step 5

Factor $5$ out of $5 (3 a - 5 b) + 5 (4)$ .

$5 (3 a - 5 b + 4)$

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