By actual division , shows that x2−3 is a factor of 2x4+3x3−2x2−9x−12.
p(x)= 2x4 - 3x3 + 2x2 + 2x - 1 is divided by (x - 2) and q(x) = 3x3 - 2x2 + x - 1 is divided by (x - 1). So, twice the sum of the remainders is: