Question

what is zeros of polynomial X square -2x-8​

Answer 1

Answer:

-2x-8=0

-2x=8

x=8/-2=-4

Step-by-step explanation:

Answer 2

Answer:

its answer is will be x+2 and x-4

if the equation is equal to zero it's answer will be -2 and 4.

Step-by-step explanation:

x^2-2x-8

x^2-4x+2x-8

x(x-4)+2(x-4)

(x+2)(x-4)

Hence the zeroes of the polynomial are (x+2) and (x-4)

if the equation is equal to zero then

x^2-2x-8=0

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

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

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

therefore x+2=0

x= -2

or

x-4=0

x=4