SOLUTION: please help me solve this equation: {{{x^3-5x^2-2x+24;k=-2 f(k)=0}}}

Algebra ->  Functions -> SOLUTION: please help me solve this equation: {{{x^3-5x^2-2x+24;k=-2 f(k)=0}}}       Log On


   

Question 179681: please help me solve this equation: x%5E3-5x%5E2-2x%2B24%3Bk=-2++++f%28k%29=0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
please help me solve this equation: x%5E3-5x%5E2-2x%2B24%3Bk=-2++++f%28k%29=0
------------
It's not an equation, as it has no equal sign. But the info about the k implies it is = 0.
-------------------
You state one zero, the -2, so (x+2) is a factor.
x%5E3-5x%5E2-2x%2B24
=%28x%2B2%29%2A%28x%5E2+-+7x+%2B+12%29
= (x+2)(x-3)(x-4)
x = -2
x = 3
x = 4