$\int\left(5x^4+5\right)^{\frac{2}{3}}\left(20x^3\right)dx$

$\frac{d^2}{dx^2}\left(4+2xy-2x\right)$

$x\left(2+11x\right)$

$\frac{12a-8a^2-6}{1-a}$

$\left(8\right)\left(5\right)\left(3\right)\left(-9\right)\left(-4\right)$

$\int\frac{3}{x^4-2x^3}\:dx$

$-x+2y+3z-x+w-2y-2x+4z$