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2015-06-03T21:00:50+08:00

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All we need to do is have 0 in one side.
1) 2x²-5x+1=0 [We transpose all to one side]
2) 0 = 2x²-5x+7 [Do the same as the first]
3) x²+6x-7 = 0 [Simply do FOIL method]
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