$2md^2-24mdc+72mc^2$

$\frac{1}{3}\left(2x-3\right)\left(3x+4\right)$

$\sin\left(x\right)\left(1-tan\left(x\right)\right)=0$

$\lim_{x\to0}\left(\frac{lnx}{\frac{1}{x^{4.3}}}\right)$

$91\:+\:-8\:+\:-7\:+\:3\:$

$\left(-\frac{1}{3}+\frac{5}{3}y\right)^2$

$\int\frac{14x+4}{\left(2x+1\right)^2}dx$