$\:\:\left(0.25\right)\:\left(-8\right)$

$x\left(x-2\right)+2x\left(x+3\right)\ge\left(2x-1\right)\left(x+4\right)+x^2$

$\frac{dy}{dx}\left(\frac{\sqrt{x^2+3}}{x^7\left(x+8\right)}\right)$

$\frac{dy}{dx}=6x^3\left(8+y^2\right)^{\frac{3}{2}}$

$\left(p-3c\right)\left(p+3c\right)$

$\lim_{x\to0}\left(xln\left(cosx-1\right)\right)$

$\lim_{x\to0}\left(\frac{x^2}{e^x}\right)$