SOLUTION: Factor of the following polynomial p(x)=2x3^-3x2^-18x-8 b) find its zeros

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Factor of the following polynomial p(x)=2x3^-3x2^-18x-8 b) find its zeros       Log On


   

Question 1056277: Factor of the following polynomial p(x)=2x3^-3x2^-18x-8
b) find its zeros
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Factor of the following polynomial
p(x) = 2x3^-3x2^-18x-8
Has a zero at x = -2
-2)....2....-3....-18....-8
.......2....-7....-4....|..0
Quotient:: 2x^2 - 7x -4
(2x+1)(x-4)
---
f(x) = (x+2)(x-4)(2x+1)
-------------------------------
b) find its zeros
x = -2 or x = 4 or x = -1/2
--------------
Cheers,
Stan H.
-------------