$\log_{3}\left(x+2\right)-\log_{3}5=3$

$x^3+11x^2+36x+36$

$-5+105+\left(\sqrt{36.\:\left(-1\right)}\right)^3$

$7\cos\left(2x\right)=5$

$\frac{x^3-2-2x}{x+5}$

$a^2+9a-22$

$\csc\left(\infty\right)-\sin\left(\infty\right)=\cot\left(\infty\right)\cdot\cos\left(\infty\right)$