Answer:
The answer is B .
Step-by-step explanation:
You have to use Indices Law,
[tex] {a}^{m} \times {a}^{n} = {a}^{(m + n)} [/tex]
So for this question :
[tex] {6}^{9} \times {6}^{x} = {6}^{2} [/tex]
[tex] {6}^{9 + x} = {6}^{2} [/tex]
[tex]9 + x = 2[/tex]
[tex]x = 2 - 9[/tex]
[tex]x = - 7[/tex]
