SOLUTION: find the zeros for the following polynomial functions 1. f(x)=2(x+2)(x-4)^4

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: find the zeros for the following polynomial functions 1. f(x)=2(x+2)(x-4)^4      Log On


   

Question 920705: find the zeros for the following polynomial functions
1. f(x)=2(x+2)(x-4)^4
Answer by KMST(5347) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=2%28x%2B2%29%28x-4%29%5E4
That function is zero when and only when one of its factors is zero.
2 is never zero.
x%2B2=0--->highlight%28x=-2%29
%28x-4%29%5E4=0--->highlight%28x=4%29
The zeros of f%28x%29=2%28x%2B2%29%28x-4%29%5E4 are
highlight%28x=-2%29 and highlight%28x=4%29 .