$sin\left(y\right)cos\left(x\right)dx\:+\:dy=0$

$\left|1-\left(-8\right)\right|$

$x^4+1x^3+5x^2-2x$

$q+10r-10r$

$\int_0^{\infty}\left(\frac{2\cdot x}{1+x^2}\right)dx$

$-3+4-8+2+4$

$\frac{d}{dx}\left(a\sin^m\left(e^{\left(ay+c\right)}\right)\cos^n\left(e^{\left(by+c\right)}\right)\right)$