$\frac{tgx+\frac{1}{cosx}.cscx}{tgx+\frac{1}{cosx}.cscx}$

$\frac{dy}{dx}=5x\left(x-3\right)$

$\sqrt[3]{-125a^9y^6}$

$1-\left(-3\right)+\left(6-5+8\right)+\left(-3\right)+5$

$\left(a+b\right)^2+19\left(a+b\right)+60$

$f\left(x\right)=\frac{\left(x+2\right)^{11}}{\left(4x-4\right)^{10}}$

$8\left(1.5\right)^3-27$