$\left(64x^2-18\right)$

$\int\left(x^2+1\right)\left(x-2\right)^2dx$

$\int e^{-18x}dx$

$\frac{dy}{dx}\left(x^2+10x+7xy-y^2=9\right)$

$\sin\left(o\right)\left(\cot\left(o\right)+\tan\left(o\right)\right)=\sec\left(o\right)$

$2-4q\:$

$\lim_{x\to1}\left(\frac{ln\left(x\right)}{\sin\left(8\pi x\right)}\right)$