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01-06-2017
Mathematics

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Solve the equation using propertis of logarithms and exponents.

9^6x=3^2x+4

Respuesta :

01-06-2017

9^(6x)=3^(2x+4) I assume this is what you meant...

since 9=3^2

3^2^(6x)=3^(2x+4)

and since (a^b)^c=a^(bc)

3^(12x)=3^(2x+4)

so if a^b=a^c then b=c so

12x=2x+4

10x=4

x=0.4

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