Answer: 10^2 = x^2 plus 6^2
100= x^2 + 36
64=x^2
8
Step-by-step explanation:
Assuming the -5 is with the x
You have 3^(x-5) =9
Convert the 9 to base 3: 3^2 = 9
Now you have:
3 ^(x-5) = 3^2
Now solve for exponents:
X-5= 2
Add 5 to both sides:
X = 7
If you divide it by 5 on both numbers you get four and three. So 4 is the answer.