Asked by Trish Goal
Solve for x:
(1/25)^x+2=125^-x
(1/25)^x+2=125^-x
Answers
Answered by
Reiny
I will assume you mean
(1/25)^(x+2) = 125^-x
or else we got ourselves one doosey of a problem
(5^-2)^(x+2) = (5^3)^-x
5^(-2x-4) = 5^(-3x)
then
-2x-4 = -3x
x = 4
(1/25)^(x+2) = 125^-x
or else we got ourselves one doosey of a problem
(5^-2)^(x+2) = (5^3)^-x
5^(-2x-4) = 5^(-3x)
then
-2x-4 = -3x
x = 4
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