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Popular >

factor 21b-15a

Solution

factor

21 b - 15 a

Solution

3 (7 b - 5 a)

Solution steps

21 b - 15 a

Rewrite

- 15

as

5 \cdot 3

Rewrite

21

as

7 \cdot 3

= 7 \cdot 3 b + 5 \cdot 3 a

Factor out common term

3

= 3 (7 b - 5 a)

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Frequently Asked Questions (FAQ)

What is factor 21b-15a ?
The solution to factor 21b-15a is 3(7b-5a)