# Math Help - Polynomial

1. ## Polynomial

What i have done is i have found the factors of the polynomial, 10 & -2.

facing problems finding a and for part i...

for part ii, do i have to use long division?

2. Originally Posted by Punch

What i have done is i have found the factors of the polynomial, 10 & -2.

facing problems finding a and for part i...

Well, you already know that $f(-2)=f(10)=0$ , so substitute this in $f(x)$ and get two linear equations in two variables $a,b$ and...solve!

for part ii, do i have to use long division?
Yes

Tonio