$\int_1^3\left(sin\left(x\right)e^{cos\left(x\right)}\right)dx$

$^{x^2}\frac{dy}{dx}+3xy=x^2\ln\left(x\right)+1$

$\left(3z+2y\right)^5$

$-7x\:+\:12y\:-\:5\:+\:3x\:-\:4y\:-\:1$

$\left(-18\right)-64n$

$y\left(x\right)-x=y'\left(x\right)\cdot\left(y'\left(x\right)+x\right)$

$\left(3m^2-2mn+n^6\right)\cdot13m^4n^2$