$\left(\frac{1}{2}m+\frac{3}{4}n\right)^2$

$\left(408.4\right)\left(2.2\right)+\frac{1}{2}\left(-110\right)\left(2.2\right)$

$x^2-4x-117=0$

$f\left(t\right)=\frac{2}{\sqrt{t}}+\frac{6}{\sqrt[3]{t}}$

$\frac{dy}{dx}\left(y^2\cdot\:x^2\:+\:x^3=4\right)$

$\sqrt{x^{-5}y^3+x^3y^4}\left(\frac{1}{x^{-2}y^4}\right)$

$x^2+x-2<0$