Math, asked by Rachellll, 4 months ago

Using identies, evaluate the following.
a) (4x - 5y)3 b) ( 3/4 x - 6/5y +
5/2*7)2

Answers

Answered by meera674

1

Answer:

(4x−5y)3

= 64x^3 - 125y3 - 60xy(4x-5y)

= 64x^3 - 125y3 - 240x2y + 300xy2

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