SOLUTION: factorize the sum x^3+x+2

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: factorize the sum x^3+x+2      Log On


   

Question 768366: factorize the sum x^3+x+2
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Synthetic division for Rational Roots Theorem shows that -1 is a root.
Factorization is %28x%2B1%29%28x%5E2-x%2B2%29
The quadratic is not factorable for real numbers because discriminant is -7, less than zero.