Math, asked by Nenni, 2 months ago

Expand. (3x+4a-5b)²

Answers

Answered by mondalsreeja1

3

{(3x+4a)-5b}²

=(3x+4a)²-2(3x+4a)(5b)+25b²

=9x²+24ax+16a²-30bx-40ab+25b²

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