$\left(4x^2-2c\right)^3$

$\lim_{x\to0}\left(\frac{2x^2+1-\cos\left(x\right)}{x}\right)$

$7u=70$

$\ln\left(\sin\left(0\right)\right)$

$\frac{dy}{dx}=a\cdot\left(b-x\right)$

$\frac{dy}{dx}\left(\sqrt{x}\right)\left(x+2\right)\left(4x+7\right)^4$

$\left(2z+y\right)\left(6z+y\right)$