Solve equation for X: 125^(3x) = 1/5^(18) (so far, I have (125)^{3x} * 5^{18} = 1)

richiesmasher

Junior Member
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Dec 15, 2017
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Solve this equation for X

1253x =1/518




So far I have , (125)3x * 518 = 1

What kind of steps are required here?

Or I was thinking perhaps writing the expression as such

1253x = 5-18
 
1253x = 5-18

Hint: when you are solving exponential equations, it's a good idea to be familiar with powers of 2, 3, 4, 5 so you can recognize them when you see them. In particular, since one base is 5, it would be very nice if 125 was a power of 5, wouldn't it?
 
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