$\frac{256}{-64}$

$\left(-350\right)+\left(-431\right)-\left(-4526\right)$

$\int x\left(\sqrt{7x+2}\right)dx$

$18w-56w$

$\left(\frac{1}{2}+\sqrt[3]{x}\right)^3$

$\int\left(x+2\right)^{23}dx$

$\frac{-2\sin\left(x\right)\sin\left(y\right)}{2\cos\left(x\right)\sin\left(y\right)}$