Posted by **Marrion** on Saturday, September 26, 2009 at 2:53am.

Find the values of b and c for which x^2+bx+c is a factor of 2x^3-3x^2-3x-5

Ok, i've tried to find a factor of the quadratic function using trial and error.

Let f(x) = 2x^3-3x^2-3x-5

f(1) is not equals to 0

f(-1) is not equals to 0

...

and i cant find a number that would equate the function to 0. So i'm stuck and i don't know how i should go about doing this question. Help!

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