Question

factorize 5a^2-b^2-4ab+7a-7b.

Answer 1

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⚡️ 5a²-b²-4ab+7a-7b
= (a²-b²)+4a²-4ab+7a-7b
= (a+b) (a-b) + 4a (a-b) + 7 (a-b)
= (a-b) (a+b+4a+7)
= (a-b) (5a+b+7) [ANSWER]





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