$7x=3\left(x-12\right)$

$\frac{\sqrt{xy}}{3a^2.x^3}$

$\int\left(12e^{6x}\sqrt{6+e^{6x}}\right)dx$

$\csc^2x\sec^2x-\csc^2x-\sec^2x+1=1$

$26-\left(33-33\right)+42+60-\left(25-19\right)-61-\left(-17+24\right)$

$\frac{d}{dx}\left(y=\left(x^2+4\right)^{10}\left(2x-5\right)^8\right)$

$x^2-\frac{1}{4}x$