$\int\frac{y^2-25}{y^9}dy$

$x^3y\left(x^3y^2+xy^2\right)$

$\frac{\sec\left(5\right)}{\csc\left(5\right)}=\tan\left(5\right)$

$\log_{x+3}\left(2x^2+x+3\right)=2$

$-45-\left(-12\right)$

$\lim_{x\to0}\left(\frac{\sqrt{\left(x^2+11\right)}-6}{x^2-25}\right)$

$dx+e^{-5x}dy=0$