SOLUTION: 1 + 1 over x = 72 over x^2

SOLUTION: 1 + 1 over x = 72 over x^2

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Question 44331: 1 + 1 over x = 72 over x^2
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
1 + (1/x) = 72/x^2
multiply all terms by x^2 and get
x^2 + x = 72
x^2 + x - 72 = 0
(x+9)(x-8) = 0
x = -9 and x = 8
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