Evaluate the integral ∫ (x^2 −10x) cos(x) dx. (Use C for the constant of integration.)
A) − x^2sin(x) + 10xcos(x) + C
B) x^2sin(x) + 10xcos(x) + C
C) − x^2sin(x) − 10xcos(x) + C
D) x^2sin(x) − 10xcos(x) + C