$72:\left(\frac{29+7}{4\times3}\right)\cdot$

$25m^2-\:49$

$\int\frac{5x^2-12}{\left(x^2-6x+13\right)^2}dx$

$\frac{x^2+13x+40}{x^2+10x-25}\cdot\frac{x+5}{x-4}$

$\frac{dy}{dx}=4xe^{2x^2}+3$

$\lim_{x\to4}\left(\frac{2x+1}{3x-3}\right)^{\frac{x}{x-4}}$

$\left(-18\right)-\left(-31\right)-\left(-3\right)-\left(-16\right)-\left(-25\right)$