$\frac{dy}{dt}=\frac{t}{y-t^2y}$

$\left(a^2-2\right)\left(a^2+7\right)$

$2\:\ln\left(x+3\right)=10$

$-25c+10c-10$

$\frac{cos\left(\theta\:\right)tan\left(\theta\:\right)}{csc\left(\theta\:\right)-cot\left(\theta\:\right)}$

$2\log\left(x\right)+\log\left(75\right)-\log\left(3\right)=2$

$20x^2-7x-3=0$