$\frac{dy}{dx}\left(9\:+\:x\right)^{\frac{1}{x}}$

$8x-\left(1\frac{1}{2}y+6z-2\frac{3}{4}x\right)-\left(-3\frac{3}{5}x+20y\right)-\left(x+\frac{3}{4}y+z\right)$

$\int m^3\cos\left(\frac{m}{2}\right)dm$

$m2+30m+15$

$8+a\frac{1}{6}$

$3\sqrt{-8}$

$\frac{2\cot\left(a\right)-2}{1+\tan\left(-a\right)}$