Let p(x) = x2, q(x) = 2x3 + 1, and r(x) = 7x4 − 5x3 − 6x − 2. Find p(q(x)) + r(x).
x2(6+1) + ((28) - (15) - (6x) - 2)
7x2 + (11 - 6x)
7x2 - 6x + 11
Wasn't sure whether 7x4 is 28x or 28, specify whether you are multiplying or multiplying with an "x".
