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How many solutions does 9x^2-12x+4=0 have?
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How many solutions does 9x^2-12x+4=0 have?

User Kooki
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9x^2-6x-6x+4=0
3x(3x-2)-2(3x-2)=0
(3x-2)(3x-2)=0
x=2/3


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User Chris Halcrow
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