$\lim_{x\to\infty}\left(\frac{\sqrt{x^2+9}-5}{x+4}\right)$

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

$3-3x>-11$

$\left(120\right)\left(-6\right)$

$5^2\cdot\left(2\cdot8-10\right)$

$\int sin^7\left(3x\right)cos^53xdx$

$x\left(x\:+\:3\right)\left(x\:-\:1\right)\left(x\:+\:1\right)$