$\int\left(\frac{y-2}{\left(y-1\right)\left(y+3\right)}\right)dy$

$\frac{dy}{dx}=y\left(3x-y^5\right)$

$\left(7f^4\right)^3$

$f\left(x\right)=\:\left(5-3x^2\right)\left(\sqrt{\left(6x^2+8x-12\right)}\right)$

$0,\:5y''+3y'+9y=0$

$\lim_{x\to\infty}\left(\frac{\ln\left(10x+2\right)}{\ln\left(9x+4\right)+3}\right)$

$-9+7x+x=7$