SOLUTION: find any rational roots for the equation: x^4 + 3x^3 - x^2 - 9x - 6 = 0

Algebra ->  Algebra  -> Rational-functions -> SOLUTION: find any rational roots for the equation: x^4 + 3x^3 - x^2 - 9x - 6 = 0      Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 41954: find any rational roots for the equation: x^4 + 3x^3 - x^2 - 9x - 6 = 0
Answer by fractalier(2101) About Me  (Show Source):
You can put this solution on YOUR website!
For x^4 + 3x^3 - x^2 - 9x - 6 = 0
the possible rational roots are
±1, ±2, ±3, or ±6
Again try them synthetically...
The two that work are
x = -1 and x = -2