Math, asked by ishupatel94, 4 months ago

expand the following- ( 7y-8)²

Answers

Answered by king10193

1

Answer:

(7y-8)²

=(7y)²-2(7y)(8)+(8)²

using (a-b)²=a²-2ab+b²

=49y²-112y+64...(Ans)

Hope this helped u

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