$\left(6x^{\left(3\right)}\right)\left(5x^{\left(2\right)}y^{\left(2\right)}\right)$

$x^2\left(x^3+5\right)^2$

$\int_{\sqrt{5}}^{\sqrt{13}}\frac{2x^3}{\sqrt{\left(x^2-4\right)}}dx$

$\left(x^4-3x^2+5x-1\right)\left(-2\right)$

$-\left(10-26+13\right)-\left(-32+56-24\right)+16$

$3m^2+3+m^2$

$\int\frac{u}{\left(2+u\right)^2}dx$