Question

person who will give right answer will get brainliest​

Answer 1

fill the value of x= -1/2 in the polynomial

8×(-1/2)^3-a×(-1/2)^2-(-1/2)+2

8×-1/8-1/4a+1/2+2=0

-1-a/4+1/2+2=0

1+1/2+a/4=0

3/2+a/4 =0

a/4= -3/2

a= -3/2×4

a= -6

therefore,

Ans. -6