Question

Find (9a-7b) (3a-b) pls find this answer

Answer 1

Answer:

27a^2-9ab-21ab+7b^2

thank you.

Answer 2

Answer:

27a^2 − 30ab + 7b^2

Explanation:

(9a − 7b) (3a − b)

= 9a (3a − b) − 7b (3a − b)

= 27a^2− 9ab − 21ab + 7b^2

= 27a^2 − 30ab + 7b^2

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