$\left(1+x^2\right)y'+xy=0$

$\left(160\right):\left(-10\right):\left(4\right):\left(-2\right):\left(-1\right)$

$\left(x-5\right)^2\left(x-3\right)^2$

$\int_2^{\infty}\left(\frac{1}{n\cdot\sqrt{\ln\left(n\right)}}\right)dn$

$6x^2\:+\:17x\:+\:5\:=\:0$

$\frac{x^3+8x^2+17x+136}{8x^2+136}$

$\int\frac{x^2-3}{\left(x+1\right)^3}dx$