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Mathematics 15 Online
OpenStudy (anonymous):

How do I simplify (3a - 4b^7)^3 ?

OpenStudy (anonymous):

Do u know (a-b)^3 formula?

OpenStudy (anonymous):

nope @SandeepReddy

OpenStudy (anonymous):

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

OpenStudy (anonymous):

now assume 3a as p and 4*b ^7 as q and then proceed with (p-q)^3

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