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(2x)^2+(4x+20)^2=(6x)^2
We move all terms to the left:
(2x)^2+(4x+20)^2-((6x)^2)=0
determiningTheFunctionDomain 2x^2+(4x+20)^2-6x^2=0
We add all the numbers together, and all the variables
2x^2-6x^2+(4x+20)^2=0
We add all the numbers together, and all the variables
-4x^2+(4x+20)^2=0
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