SOLUTION: simplify: 5x(x^2+3)+2x^2(3+2x)

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Question 807221: simplify: 5x(x^2+3)+2x^2(3+2x)
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
5x(x^2+3)+2x^2(3+2x)=
5x^3+15x+6x^2+4x^3=
9x^3+6x^2+15x