$\:10\:\left(x+1\right)\:+\:x\:\le\:6\left(2x+1\right)\:$

$\cos\left(\sin^{-1}\left(u\right)\right)$

$-4n+-n-6n-9-3n$

$\frac{dy}{dx}=-2x+3x\sin x^2+3x+1$

$\lim_{x\to0}\left(\frac{sin\left(3x\right)\cos\left(5x\right)}{x}\right)$

$\left(6ab^3-\frac{1}{7}+3ab^2\right)-\left(2ab+\frac{25}{4}ab^2-\frac{17}{3}ab^3\right)$

$\left(3x^2\right)-2xy+5\left(5x^2\right)$