$\frac{\:-\sin^2\left(x\right)-2}{3\sin\left(x\right)}$

$\int\frac{\left(\sqrt{x}-1\right)^2}{\sqrt[4]{x}}dx$

$\left(x+2\right)\left(x-2\right)\left(x^2+3\right)$

$-2-8-5-9+4+6+3+7-2$

$\frac{tan}{sec\:-cot}$

$x\left(2x-9\right)=0$

$\frac { 12 n ^ { 3 } - 8 n } { 2 n }$