$\int\frac{2}{3}x^3sin\left(x\right)dx$

$y\:+\:8\:>11$

$\frac{d}{dx}\left(-e^{-\frac{x^2}{8}}\right)$

$x^2+25x+150$

$3-2x>8-7x$

$\frac{14\sqrt{2}}{\sqrt{2}}$

$\lim\:_{x\to\:-\infty\:}\left(\frac{x}{\sqrt{x^2+2}}\right)+\lim\:_{x\to\:+\infty\:}\left(\frac{x}{5+x^{\frac{5}{2}}}\right)$