$x^4\:+3x^3\:-\:2x^2\:-\:4x\:+\:6\:$

$6z-11>7$

$\sqrt[3]{2x}\sqrt[3]{4x^2}$

$\left(-12\right)\cdot\left(-8\right)\cdot\left(-6\right)$

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

$\frac{\left(x+2\sqrt{x}\right)\left(x-2\sqrt{x}\right)}{x}$

$\int\left(1+u\right)^{-3}\left(\frac{1}{u^2}\right)du$