Question 283479
x^2 -8x + 7 = 0  is a quadratic equation.
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We can factor it.
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(x-1)(x-7) = 0
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So x = 1 or x = 7, which are the points (1,0) and (7,0).
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{{{graph(500,500,-10,10,-10,10,x*x-8*x+7)}}}
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