$3x^2-4x=p$, where $p$ is a constant. What can be the value of $p$ if the equation above does not have real roots.

Question

$\begin{array}{1 1} (a)\; \large\frac{3}{4} \\ (b)\; -\large\frac{3}{4} \\ (c)\; -\large\frac{4}{3} \\ (d)\; \large\frac{4}{3} \end{array}$