$\text{The equation of motion of a projectile is }y=12x-\frac{3}{4}{x}^2\text{. What is the range of the projectile?}$

$\begin{array}{l}\text{For ground to ground projectile }y=0\text{ when the projectile reach ground}\\ \therefore 0=12x-\frac{3}{4}{x}^2\\ x=16m\end{array}$