$\frac { - x ^ { 3 } } { 3 } | _ { - 1 } ^ { 1 }$

$12^2+9^2$

$8x^2+9x+12$

$\int\left(2x^4-1\right)^{\frac{1}{2}}\left(8x^3\right)dx$

$\int24x\left(6-x^2\right)^{\frac{1}{3}}dx$

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

$\frac{d}{dx}\left(6x-2\right)^4\left(5x^2+9\right)^4$