angeliaemr angeliaemr

01-11-2017
Mathematics

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what is the expanded form of 3x(x+3)^2=?

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choixongdong choixongdong

01-11-2017

3x(x+3)^2
3x(x^2 + 6x + 9)
= 3x^3 + 18x^2 + 27x

answer
3x^3 + 18x^2 + 27x

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