Question

what must be added to the polynomial f(x)=x^4+2x^2-2x^2+x-1 so that resulting polynomial is exactly divisible by a^2+2x-3​

Answer 1

Hence, (x−2) must be added to the polynomial x4+2x3−2x2+x−1 so that the resulting polynomial is exactly divisible by x2+2x−3.