$\left(2m^2-3m+4\right)^2$

$\frac{d}{dx}\left(5e^{4x}\right)$

$\frac{dy}{dx}\left(\sqrt{\frac{x}{y}}-\sqrt{\frac{y}{x}}=r\right)$

$\left(-\frac{4}{5}a^2b\right)\left(-ab\right)$

$\sin^2x-2\cos x=0$

$\frac{d}{dx}x^3-xy^2+4y^3=7xy+15$

$\left(4+3w\right)\left(4-3w\right)$