SOLUTION: check whether 3 + 2x is a factor of 2xcube - 5x .

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Question 975330: check whether 3 + 2x is a factor of 2xcube - 5x .
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E3-5x=2x%28x%5E2-5%2F2%29
2x%5E3-5x=2x%28x%2Bsqrt%285%2F2%29%29%28x-sqrt%285%2F2%29%29
No, %282x%2B3%29 is not a factor.