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Source: — Problem Solving |
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by parallel_chase » Thu Aug 21, 2008 12:23 pm
(4-x)/(2+x)= x

4-x = 2x + x^2

4 = 3x + x^2

x^2 + 3x - 4 = 0

Hence the answer is C.
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by LSB » Thu Aug 21, 2008 1:14 pm
Good job :-)
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