Question 204320
3n^2 -9 = 6n,,,,,where  n =  number
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3n^2 -6n -9 =0
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(3n+3)(n-3) =0
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n= -1,,3
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check
(-1),,3(-1)^2 -9 =6(-1),,,3-9=-6,,,,ok
(3),,,3(3)^2 -9 =6(3),,,,27-9=18,,,,ok
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