SOLUTION: find f(1) for f(x)= 2x^3-3x^2=x-21

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Question 178645: find f(1) for f(x)= 2x^3-3x^2=x-21
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
your sub plugging in 1 for all occurences of x. I will assume the third term is -x and not another equals sign
:
f(1)=2%281%29%5E3-3%281%29%5E2-1-21=-23