$\frac{d}{dy}\left(xy+x^2y^2=0\right)$

$\sin^2m-\cos^2m=1-2\cos^2m$

$\left(-4\right)\cdot\left(-24+19\right)^2+5\cdot20$

$\int_0^4\left(\frac{2x-3}{\sqrt{x^2+9}}\right)dx$

$\frac{1}{\left(16x+3\right)^2}$

$4\:x\:2\:-\:81\:y\:2$

$\frac{1.00}{\left(3.536\cdot\:10^{-8}\right)^3}$