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I am thinking of three consecutive negative numbers. If I multiply the first with the second and then subtract three times the third, the result is 57. What are the numbers?
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by Fyrmandan at April 02, 2010

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x, x+1, x+2 x(x+1)-3(x+2)=57 x^2+x-3x-6=57 x^2-2x-63=0 (x-9)(x+7)=0 x=-7, x+1=-6, x+2=-5

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6675

Nancy095 April 02, 2010