Question

Multiply (3a+b+c) with (3a-b)​

Answer 1

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Multiply (3a+b+c) with (3a-b)

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Answer 2

Answer:

We have ,(3a+b+c)×(3a-b)

=3a×(3a-b)+b×(3a-b)+c×(3a-b)

=9a²-3ab+3ab-b²+3ac-bc

=9a²-b²+3ac-bc