Question

classmate
Date
Page
Fid the zero of the Polynomial
f(x)=x^2-2x-8​

Answer 1

Answer:

x=+4,-2

Step-by-step explanation:

f(x)=0

x^2-2x-8=0

x^2-4x+2x-8=0

x(x-4)+2(x-4)=0

(x-4)(x+2)=0

x-4=0. x+2=0

x=+4. x=-2