SOLUTION: I cannot figure this out, although I have help with this type of question before. Can you show me how to do it again. Here it is: 15(2x+1)^3+6(2x+1)^2-21(2x+1)

SOLUTION: I cannot figure this out, although I have help with this type of question before. Can you show me how to do it again. Here it is: 15(2x+1)^3+6(2x+1)^2-21(2x+1)

Algebra.Com

Question 368736: I cannot figure this out, although I have help with this type of question before. Can you show me how to do it again. Here it is:
15(2x+1)^3+6(2x+1)^2-21(2x+1)

Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!

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