Problem:
Multiply and expand $p(x) = -4 x^2-13 x+6$ and $q(x) = 3 x^2+4 x+13$
Answer:
$-12 x^4-55 x^3-86 x^2-145 x+78$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/multiply_polynomials/31676.txt'}