$3x^2+2y-9x=10y$

$\int_0^{2\pi}\left(\frac{1}{\cos\left(x\right)^2+4\sin\left(x\right)^2}\right)dx$

$\int\left(\frac{4}{x^2-8x+17}\right)dx$

$\left(4x^2+3y^5\right)\:\left(5x^2+6y^5\right)\:$

$\:f\left(x\right)\:=\:cot^2\left(8x\right)\:ln\left(x^4\right)$

$\frac{\sin\left(2x\right)+\sin\left(x\right)}{2\sin^2\left(x\right)-2-\cos\left(x\right)}$

$\left[\left(-12\right)\:-\:\left(-\:8\right)\right]\:-\:\left[\left(-14\right)\:-\:\left(+2\right)\right]$