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3x^2-4x+6=3x^2+17x+34
We move all terms to the left:
3x^2-4x+6-(3x^2+17x+34)=0
We get rid of parentheses
3x^2-3x^2-4x-17x-34+6=0
We add all the numbers together, and all the variables
-21x-28=0
We move all terms containing x to the left, all other terms to the right
-21x=28
x=28/-21
x=-1+1/3
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