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4^x+4^x^+^1+4^x^+^2=336
We move all terms to the left:
4^x+4^x^+^1+4^x^+^2-(336)=0
determiningTheFunctionDomain 4^x+4^x^+4^x^-336+^1+^2=0
We add all the numbers together, and all the variables
4^x+4^x^+4^x^=0
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