$\frac{8}{x-10}=\frac{10}{x+2}$

$\lim_{x\to0}\left(\frac{2\:sin\:x\:-\:3x^2\:-\:2x}{x^2}\right)$

$9\sin\left(9\sin\:\left(42\right)+3\cos\:\left(48\right)\right)\csc\left(42\right)$

$\left(a+3\right)\left(a+1\right)\:$

$\:\:\left(3sinx+7cosx\right)arctanx\:$

$\frac{d}{dx}2y^3+4x^2-y=x^6$

$\int_{-1}^1\left(\frac{3}{2}x^2-2x^2+\frac{1}{2}\right)dx$