Sunil is solving the quadratic equation by completing the square.

[tex]\[
\begin{array}{l}
6x^2 + 24x + 5 = 0 \\
6x^2 + 24x = -5
\end{array}
\][/tex]

What should Sunil do next?

A. Isolate the variable [tex]$x^2$[/tex].
B. Isolate the constant.
C. Factor 6 out of the variable terms.
D. Subtract [tex]$24x$[/tex] from both sides of the equation.