$y=2ln\left(x\right)+\frac{2}{\sqrt{3+x^2}}-\frac{x}{2-x}$

$\frac{dy}{dx}-8y=6$

$-36:\left(-8:\left(-5+3\right)+12:\left(-2+8\right)\right)$

$\tan\left(b\right)+\cot\left(b\right)=\csc\left(b\right)\cdot\sec b$

$\int\frac{x^5-1}{x+1}dx$

$y^2-10y=7$

$\int\frac{5x+7}{\left(x+2\right)^2}dx$