Math, asked by ankukatoch01, 5 hours ago

expand the following (3a-5b-7c)²

Answers

Answered by ganesh3366999

0

Answer:

it is 4a square + 25b square+ 49c square - 20ab+70bc-28ca

Answered by sharmak20081029

0

Answer:

It is 4a square+25 square +49c square - 20ab +70bc - 28ca

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