$2x=y^2$

$8-\left|-15+\left(-6-14\right)-\left(-5\right)-16\right|$

$\frac{dy}{dx}=330x^4y\left(1+4x^5\right)^{\frac{1}{2}}$

$\int\sqrt{x}\:\ln\left(\left|x\right|\right)\:dx$

$24x^2y^5-20x^4y^3$

$\frac{1}{cos\:a}=\frac{\cos a}{1-sin^2a}$

$\left(10y^{11}-5y\right)\left(10y^{11}+5y\right)$