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OpenStudy (anonymous):
Solve the inequality. Express the solution set in interval notation. 5x^(3)>13x^(2)+28x
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OpenStudy (anonymous):
5x^3-13x^2-28x>0 x(5x^2-13x-28)>0 x(5x^2-20x+7x-28)>0 x(5x(x-4)+7(x-4))>0 x(5x+7)(x-4)>0. Can you solve it from here?
OpenStudy (anonymous):
x>4
OpenStudy (anonymous):
(-7/5, 0) U (4, infinity) is the answer.
OpenStudy (anonymous):
Oh, ok...I looked at it wrong
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