$6a^2+24xy+24y^2$

$\log\left(x\right)+\log\left(x-2\right)=\log\left(20\right)$

$\lim_{x\to-4}\left(\frac{2x^2+5x-12}{x+4}\right)$

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

$6\left(-4+15\right)$

$\lim_{x\to\infty}\left(\frac{2^x}{3^{\frac{x}{2}}}\right)$

$x-9=3x+3$