$\int_2^3\left(\frac{5}{\left(x-1\right)\left(x^2+4\right)}\right)dx$

$10^4x\:10^{19}$

$\sin\left(x\right)^2+\cos\left(y\right)^2=\frac{3}{4}$

$\int_{\frac{\pi}{2}}^{\pi}\left(\cos\left(x\right)\right)dx$

$\left(2w+y\right)^2-\left(w-3y\right)^2$

$168-18-27+2$

$\csc\left(x\right)+1=3$