Problem:
Multiply and expand $p(x) = 13 x^2+9 x-4$ and $q(x) = 4 x^2-9 x+10$
Answer:
$52 x^4-81 x^3+33 x^2+126 x-40$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/multiply_polynomials/19873.txt'}