Math, asked by yadavnavya645, 4 months ago

(3a +4b) (a - b) = 3a²-4a?

Answers

Answered by Anonymous

1

Answer:

(3a +4b) (a - b) = 3a²-4a?

= 3a(a-b) + 4b(a-b) = 3a²-4a

= 3a²-3ab + 4ab-4b²= 3a²-4a

= 3a²-4b²=3a²- 4a

3a²-4b² is not = 3a²- 4a

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