$\frac{dy}{dx}-7y=7$

$4\:\left(x+2\right)\:-3\:\left(x+1\right)\:=6$

$\int3x^4\ln x^4dx$

$3-\left(-3\right)^2\cdot\left|4-\left(-6\right)\cdot\left(-2^4+\left(-8\right)\right)\right|$

$2-3\left(8\right)$

$\lim_{x\to-8}\left(\frac{\sqrt[3]{x-5}}{x+1}\right)$

$\frac{dy}{dx}\left(y-x\right)\left(y^2+yx+x^2\right)$