Solve:
$18^{x^2+4 x+4}=18^{9 x+18}$
A$x=-2$
B$x=7$
C$x=-2$ and $x=7$
Dno solution
$18^{x^2+4 x+4}=18^{9 x+18}$
A$x=-2$
B$x=7$
C$x=-2$ and $x=7$
Dno solution