$\frac{\left(2x^2y\right)^{-1}}{\left(-2x^2y^3\right)^2}$

$\frac{1}{10\:}\int_0^{10}\left(\frac{680+30t-5t^2}{18}\right)dx$

$\left(\sqrt{-9}\right)^3$

$2 ^ { 2 x } + 20 - 9 \cdot 2 ^ { x } = 0$

$x^3+x^2+2x$

$\int_1^{\sqrt{2}}\left(\frac{4}{\sqrt{4-x^2}}\right)dx$

$\left(w+z\right)^5$