SOLUTION: Please help me solve this equation:x(3)+5x(2)-4x-20=0 (the 3 and 2 are exponents) Thank you

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Please help me solve this equation:x(3)+5x(2)-4x-20=0 (the 3 and 2 are exponents) Thank you      Log On


   

Question 62824:
Please help me solve this equation:x(3)+5x(2)-4x-20=0
(the 3 and 2 are exponents)
Thank you
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X^3+5X^2-4X-20=0
X^2(X+5)-4(X+5)=0
(X^2-4)(X+5)=0
(X+2)(X-2)(X+5)=0
X=-2 SOLUTION
X=2 "
X=-5 "