$3y^2\frac{dy}{dx}=2\sin\left(x\right)$

$\lim\:_{x\to\:\infty\:\:}\left(1+\frac{1}{x\left(x+2\right)}\right)^x$

$m-5.3+1.2-9.1$

$2xy\:+\:5x\:-\:6y\:-\:15\:$

$\int\cos\left(x\right)\sqrt{1-2\sin\left(x\right)}dx$

$2\sin^2\left(x\right)+\cos\left(x\right)-2=-1$

$-155\:+\:-729$