$\int\:sen5x\:cos2\:dx$

$f\left(x\right)=\frac{\left(x-4\right)^2\sqrt{x}}{\left(x+7\right)^5}$

$\frac{3x^2+2x-1}{x+2}$

$2xy+x^3=x\left(\frac{dy}{dx}\right)$

$\left\{5mn-\left[4mn\left(2mn-5mn\right)+4mn\right]-4mn\right\}+mn$

$\sqrt{9m^2-24\left(l\right)\left(n\right)},m=5,l=2,n=3$

$\left(a^8\right)^2$