Question

$$\int ( \sin x - 10 x ) \cdot \cos x + 5 x ^ { 2 } + 55 x ^ { 2 } - 599 ) d x$$

Evaluate

$-10x\sin(x)-\frac{\left(\cos(x)\right)^{2}}{2}-10\cos(x)+20x^{3}-599x+С$

Differentiate w.r.t. x

$\frac{-20x\cos(x)+\sin(2x)+120x^{2}-1198}{2}$