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petewe
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wrong^

UnkleRhaukus
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\[(7+x)(7x)\]\]

goformit100
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dw:1349750355636:dw

CliffSedge
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@goformit100 quadratic formula is useless if there is no equation.

goformit100
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oops sorry ...

CliffSedge
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Difference of squares..

liza2
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49  x^2
(x+7)(x+7)