$\left(x^3\:+\:7\right)\:\left(x^5\:-\:2x^4\:+\:5x^3\:+\:x^2\:-\:3x\:+\:1\right)\:$

$2y'+\:y\:=\:0$

$-7x-3>8x+10$

$\frac{dy}{dx}=\frac{x+1}{e^y}$

$\left(\frac{\frac{1}{\sqrt{x}}+2}{3+\frac{1}{\sqrt{x}}}\right)$

$\int\frac{\left(16x+9\right)}{\left(8x^2+9x+7\right)}dx$

$\lim_{x\to\infty}\left(3x+\cos\left(x\right)\right)\cdot\left(\sqrt{x^2+2}-x\right)$