[tex] {36}^{2x} . {216}^{3x} = {6}^{x + 24} \\ { ({6}^{2}) }^{2x} . { ({6}^{3} )}^{3x} = {6}^{x + 24} \\ {6}^{4x} . {6}^{9x} = {6}^{x + 24} \\ {6}^{4x + 9x} = {6}^{x + 24} \\ {6}^{13x} = {6}^{x + 24} \\ 13x = x + 24 \\ 13x - x = 24 \\ 12x = 24 \\ x = 2 \\ \\ x + 24 \\ 2 + 24 \\ 26 \\ (B)[/tex]