$2x^2-3x+xy=5$

$8\sin\left(x\right)+\csc\left(x\right)-6=0$

$\int_0^{\pi}\left(\left(1+\cos\left(9x\right)\right)^2\sin\left(9x\right)\right)dx$

$\int-\frac{3}{xln\left(x\right)}dx$

$\frac{dy}{dx}=cos8x$

$\left(x^2-4-2x\right)\left(-3x+2\right)$

$\lim_{x\to0}\left(\frac{5sin\left(3x^4\right)}{2x}\right)$