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3x-9x(x-1)=6x-3x(3x-2)
We move all terms to the left:
3x-9x(x-1)-(6x-3x(3x-2))=0
We multiply parentheses
-9x^2+3x+9x-(6x-3x(3x-2))=0
We calculate terms in parentheses: -(6x-3x(3x-2)), so:We add all the numbers together, and all the variables
6x-3x(3x-2)
We multiply parentheses
-9x^2+6x+6x
We add all the numbers together, and all the variables
-9x^2+12x
Back to the equation:
-(-9x^2+12x)
-9x^2-(-9x^2+12x)+12x=0
We get rid of parentheses
-9x^2+9x^2-12x+12x=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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