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Popular >

factor ab+7b-3a-21

Solution

factor

ab + 7 b - 3 a - 21

Solution

(a + 7) (b - 3)

Solution steps

ab + 7 b - 3 a - 21

= (ab + 7 b) + (- 3 a - 21)

Factor out

b

from

ab + 7 b : b (a + 7)

Factor out

- 3

from

- 3 a - 21 : - 3 (a + 7)

= b (a + 7) - 3 (a + 7)

Factor out common term

a + 7

= (a + 7) (b - 3)

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Frequently Asked Questions (FAQ)

What is factor ab+7b-3a-21 ?
The solution to factor ab+7b-3a-21 is (a+7)(b-3)