1. The problem statement, all variables and given/known data http://i.minus.com/i61zvy2BbtqkI.png [Broken] 2. Relevant equations One can factor the polynomial to (x-1)^2 3. The attempt at a solution After factoring the polynomial, I integrate (x-1) given the bounds of 0 and 1. I get -1/2. The solution manual says the answer is positive 1/2. What am I doing wrong?