$\frac{d}{dx}\left(y=\frac{x^3}{3}-x^2+2x+5\right)$

$\left(-200\right)+\left(+500\right)-\left(+100\right)+\left(-400\right)$

$x^2+10x-21$

$2xy-y$

$\left(\frac{1}{3}x^2y^6-\frac{5}{4}x\right)\cdot\left(\frac{1}{3}xy^3-\frac{2}{3}x\right)$

$\left(-22\right)^2$

$\int_{200}^{300}\left(0.003\cdot x^2-0.12\cdot x+20\right)dx$