$\int2\left(60+x\right)dx$

$\left(5m-12n\right)\left(5m+12n\right)$

$\frac{d}{dx}e^{xy}-x^6+y^6=-5$

$24^{12}$

$\left(-2y^2-4y\right)+\left(5y^2+2y-9\right)$

$\frac{1+\frac{1}{\cos\left(-x\right)}}{\sin\left(-x\right)+\frac{\sin\left(-x\right)}{\cos\left(-x\right)}}$

$-\left(2+5\right)+\left(-2\right)$