$\sqrt[5]{\frac{4}{x^5}-\frac{8\sqrt[3]{x^7}}{5}+\frac{11}{13\sqrt{x^9}}}$

$\left(w^2+6z\right)^3$

$2.\:\:\left(1+lnx\right)dx+\left(1+lny\right)dy$

$\int4\left(x^3\right)\left(x^2\right)dx$

$\left(x-\frac{1}{2}y-\frac{1}{2}z\right)^2$

$\frac{x^2+2x-3}{x^2+8x+16}\cdot\frac{3x+12}{x-1}$