$\left(12x^2y^4-7xy^2\right)^2$

$\left(4x-6\right)\left(9x-3\right)+7\left(4x-6\right)$

$\int_0^{\frac{\pi}{4}}\left(\frac{4\tan x-1}{\cos^2x}\right)dx$

$\int_0^{\pi}\left(7\sec\left(x\right)\right)dx$

$\int c^3\arctan\left(c\right)dc$

$2x^2-3x-20=0$

$\sqrt[3]{y}^{18}$