$12x^2-4x$

$\lim_{h\to0}\left(\frac{\left(x+h\right)\left|x+h\right|-x\left|x\right|}{h}\right)$

$\frac{dy}{dx}=-\frac{1}{15}\left(x-6\right)$

$\left(a^{n+1}+b^{m-2}\right)\left(a^{m+1}+b^{m-2}\right)$

$\left(-4b^3+b-1\right)\left(6b-6\right)$

$\frac{\frac{4\pi}{3}}{3}$

$8w^3-1$