SOLUTION: how do i do this problem? 3x(2x-1)+7(x2-3)

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Question 27489: how do i do this problem? 3x(2x-1)+7(x2-3)
Answer by prabhjyot(165) About Me  (Show Source):
You can put this solution on YOUR website!
3x%282x-1%29%2B7%28x%5E2-3%29
solving the brackets we get
6x%5E2+-3x%2B7x%5E2+-21
13x%5E2-3x-21