Problem:
Expand and find the sum $p(x) + q(x)$ of the following two polynomials: $p(x) = 20 (x-1)^2, q(x) = 25 (x-1)^4$
Answer:
$25 x^4-100 x^3+170 x^2-140 x+45$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/polynomial_arithmetic/22784.txt'}