SOLUTION: What are the factors of this expression 2x^4-5x^3-10x^2+15x+18

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: What are the factors of this expression 2x^4-5x^3-10x^2+15x+18      Log On


   



Question 38806: What are the factors of this expression
2x^4-5x^3-10x^2+15x+18

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
2x^4-5x^3-10x^2+15x+18 =
(x-3)(x-2)(x+1)(2x+3)
This is done by systematically choosing possible factors of 18 and using syntheitic division to see which "work"...