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Mathematics 7 Online
OpenStudy (anonymous):

Find the horizontal tangents of the curve? y=x^3 - 4x^2 + x + 2

OpenStudy (anonymous):

The derivative is f'(x)=3x^2 - 8x + 1

OpenStudy (anonymous):

I dont know if or how i can factor this to find the answer.

OpenStudy (anonymous):

then use the quadratic formula to find the zeros

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