$\frac{dy}{x}=wdx$

$\left(4x+2\right).\left(4x+4\right)$

$csc\left(x\right)=\sqrt{1+cot^2\left(x\right)}$

$\frac{\sin\left(x+y\:\right)-\sin\left(x\right)}{y}$

$\left(5w-6\right)\left(5w-8\right)$

$\frac{d}{dx}\left(3\cdot x^2-x^3y=5y^2\right)$

$\int_2^5\left(\frac{1}{9+\left(x-2\right)^2}\right)dx$