1.

A( a+b )³-3a²b( a+b )can anybody help ​

Answer»

ANSWER:

A3(a+b3)

Step-by-step EXPLANATION:

a(a+b)^3-3a^2b(a+b)

a(a^3+b^3+3a^2b+3ab^b+b^3)-3a^3b-3a^2b^2

a^4+ab^3+3a^3b+3a^2b^2-3a^3b-3a^2b^2

a4+ab3

a3(a+b3)



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