divide both sides by A

if (x+1) = 0 then x = -1

so

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- Jan 6th 2010, 01:30 PM #1

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- Jan 6th 2010, 01:44 PM #2

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- Jan 6th 2010, 01:48 PM #4

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- Jan 6th 2010, 01:57 PM #5

- Jan 6th 2010, 02:15 PM #6

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