Quantcast XP Math - Forums - View Single Post - Custom Algebra Teaser.. Answer this pls..?
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Old 07-25-2007   #5
clairebear1951
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Expand both sides and getx^2 + a^2 - 2ax = a^2 + x^2 - 2axNote both sides are identical.That means it is an IDENTITY which means it is true for all values.