angeliaemr angeliaemr
  • 01-11-2017
  • Mathematics
contestada

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

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choixongdong
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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