$\frac{6\left(5\right)+5}{3\left(5\right)-8}$

$\frac{x}{2}+3$

$1+\sqrt{3}+1-\sqrt{3}$

$\frac{d}{dx}\left(\left(2x-7\right)^3\sin\left(x\right)^{\cos\left(x\right)}\right)$

$\left(2x-4\right)\left(-5x-8\right)$

$\frac{dy}{dx}=-3.3$

$\int_0^{x\sqrt{3}}\frac{x}{x^2+y^2}dy$