SOLUTION: 6x^3+x^2-5x-2=0 find x, using factoring, or something... I need to use what x is, to make a graph.

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: 6x^3+x^2-5x-2=0 find x, using factoring, or something... I need to use what x is, to make a graph.      Log On


   

Question 397963: 6x^3+x^2-5x-2=0
find x, using factoring, or something... I need to use what x is, to make a graph.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Using the rational root test, testing x = 1 satisfies the equation, so x-1 is a factor.

Now you can divide %286x%5E3+%2B+x%5E2+-+5x+-+2%29%2F%28x-1%29 to obtain a quadratic equation, which can be solved to find the other two roots of x.

graph%28300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+6x%5E3+%2B+x%5E2+-+5x+-+2%29