4^x+4^(x-1)+4^(x-2)=84

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Solution for 4^x+4^(x-1)+4^(x-2)=84 equation: 



4^x+4^(x-1)+4^(x-2)=84

We move all terms to the left:

4^x+4^(x-1)+4^(x-2)-(84)=0

We move all terms containing x to the left, all other terms to the right

4^x+4^(x-1)+4^(x-2)=84

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