Answer:
The answer is option 2, by simplifying 9 to 3² to make both powers base 3 and subtracting the exponents.
Step-by-step explanation:
You have to make the expressions into the same base :

Next, you have to apply Indices Law :




The expression is not factorable with rational numbers. This works if you’re doing The quadratic formula.
m
=
13
±
√
145
2
360 - 20 + 2x = 360
340 + 2x = 360
2x = 20
x = 10