SOLUTION: 2x cubed - x squared - 18x+9 = 0

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Question 4954: 2x cubed - x squared - 18x+9 = 0
Answer by Abbey(339) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E3-x%5E2-18x%2B9=0
Factor by grouping:
x%5E2%282x-1%29-9%282x-1%29=0
%282x-1%29%28x%5E2-9%29=0
%282x-1%29%28x-3%29%28x%2B3%29=0
So either 2x-1 = 0 OR x-3=0 or x+3=0
x=1/2,3,-3