$\left(23\left(a^{3}-5\right)\left(a^{3}-2\right)^{3}$

$20w+30$

$\int\left(\frac{2}{4+4\tan\left(u\right)^2}.\left(\frac{2\sqrt{3}}{3}\sec\left(u\right)^2\right)\right)du$

$\left(6a^4-b^5\right)^3$

$\frac{d^3}{dx^3}\left(\left(9x^2\right)ln3x\right)$

$2x-3y+42=13$

$3\cdot\sqrt{2x-1}=3x$