Question

Salute u if u solve it
#help

Answer 1

Answer:

Step-by-step explanation:

2x^3+ax^2+x+2 has factor 2x+1

x=-1/2 puting this in place of x

2(-1/2)^3+a(-1/2)^2+(-1/2)+2

2(-1/8)+a(1/2)-1/2+2=0

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

-1+2a-2+4=0

2a+1=0

a=-1/2