Question

The sum of zeros of the quadratic polynomial x2-2x-8 is :

Answer 1

x2-2x-8=0

x2-4x+2x-8=0

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

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

x=4,-2

Answer 2

Answer:

-2

Step-by-step explanation:

x2-2x-8

a=1 , b= -2 ,c= -8

sum of zeroes = b/a

= -2/1

= -2