If remainder is same when polynomialp(x)=x3+8x2+17x+ax is divided by ( x + 2 ) and ( x + 1 ).Find the value of a.

If remainder is same when polynomialp(x)=x3+8x2+17x+ax is divided by (

1.	If remainder is same when polynomialp(x)=x3+8x2+17x+ax is divided by ( x + 2 ) and ( x + 1 ).Find the value of a.
Answer» If remainder is same when polynomial $p (x) = x^{3} + 8 x^{2} + 17 x + a x$ is divided by ( x + 2 ) and ( x + 1 ).Find the value of a.