Let p(x) = x2, q(x) = 2x3 + 1, and r(x) = 7x4 − 5x3 − 6x − 2. Find p(q(x)) + r(x).
I think I answered this one before? https://web2.0calc.com/questions/let-p-x-x-2-q-x-2x-3-1-and-r-x-7x-4-5x-3-6x-2-find-p-q-x-r-x#r1