$\frac{dy}{dx}=100-\frac{1}{25}y^2$

$\left(x\right)\:=\:4x^2-1$

$3x^4=243$

$\int_0^1\left(\frac{\left(lnx\right)}{\sqrt{x}}\right)dx$

$\frac{dy}{dx}+\frac{1}{\left(x+7\right)\left(x+6\right)}y=\frac{x+5}{x+6}$

$3\cdot\left(\frac{1}{2}a+b\right)-3b$

$m^2+m+m^2+m+m^2+n$