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20/x2 -1/x = 1

Multiply all terms by x2:

20 -x = x2

Subtract x2 from both sides:

20 -x -x2 = 0

Divide all terms by -1 and form a quadratic equation:

x2+x-20 = 0

Factor the equation:

(x+5)(x-4) = 0

Solution: x = -5 or x = 4

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14y ago

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