$\frac{\cot^2\left(x\right)}{1+\csc\left(x\right)}+1=\csc\left(x\right)$

$10x^2-2x+3$

$\left(1-\sin\left(x\right)^2\right)\cdot\tan\left(x\right)=\cos\left(x\right)\sin\left(x\right)$

$\left(x^2-22x+125\right)$

$\left(\sec x\cdot\csc^2x-\sec x\right)$

$p^2\:-\:\frac{5}{2}p\:+\:1\:=0$

$\log\left(x-4\right)-\log\left(x+3\right)=\log\left(100\right)$