Math, asked by BaaniKapoor6198, 3 months ago

a (a plus b) - 3a -3b

Answers

Answered by rhythmpathania

1

Answer:

down below

Step-by-step explanation:

a (a plus b) - 3a -3b

(a + b)3 = (a2 + 2ab + b2)(a + b)

(a + b)3 = a3 + a2b + 2a2b + 2ab2 + ab2 + b3

Combine the like terms.

(a + b)3 = a3 + 3a2b + 3ab2 + b3

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