$\csc\left(b\right)^2+\frac{\cos\left(b\right)\csc\left(b\right)}{\sin b}=\frac{1}{1-\cos b}$

$\frac{\sqrt[3]{x}+1}{\left(x+1\right)\left(2x+3\right)}$

$\sqrt{2^{3^2}-2^{\left(2^3\right)}-2^4-15}$

$\int\left(x^2-x+5\right)^3\left(2x-1\right)dx$

$\left(\:3m^4+6\right)\left(3m^4-6y\right)$

$3m-20\:si\:m=5$

$x^2-8x=17$