$\int\left(t\sqrt{1+t^2}\right)dt$

$3xy^2+7xy^2$

$\lim_{x\to0}\left(\frac{x-sin\left(x\right)}{x^2-x}\right)$

$\left(j^{19}k^9\right)^{-17}$

$\int\sqrt{x^4+6x^2+1}\left(4x^3+12x\right)dx$

$\lim_{x\to\frac{\pi}{3}}\left(-3\tan\left(x\right)\right)$

$\left(x+2\right)\left(x+3\right)gm$