The functions f(x)=3x^2-3x+7f(x)=3x 2 −3x+7f, left parenthesis, x, right parenthesis, equals, 3, x, start superscript, 2, end superscript, minus, 3, x, plus, 7 and g(x)=3x^2-3x-1g(x)=3x 2 −3x−1g, left parenthesis, x, right parenthesis, equals, 3,
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