$9\csc\left(x\right)-2=-9\csc\left(x\right)+16$

$\left\{\left[\left(-5\right)^3\:\right]^{\frac{2}{3}}\right\}^{-2}$

$\int\frac{x^{4}-2x^{2}+3}{x^{2}+1}dx$

$a^2\:\left(a^2-b^2\right)$

$\left(x+6\right)\left(x+7\right)\left(x+8\right)\left(x+9\right)-\left(x^2+15x+55\right)^2$

$x^2-6xy+9y^2$

$\int36x\cos\left(3x\right)dx$