Question

If both (X+2)and(2x+1)are factor of ax2+2x+b,the find valu of a-b is

Answer 1

Answer:

hey frnd here is your answer

Step-by-step explanation:

according to ur given factors x= -2 and x= -1/2

so put first x=-2

a(-2)(2)+2(-2)+b

-4a-4b=0

-4(a-b)=0

so a-b =0