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How do you factor x2-y2?

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โˆ™ 2015-06-25 14:25:13

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x2-y2=(x-y)(x+y) which is a well known identity.

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โˆ™ 2011-05-02 11:08:05
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โˆ™ 2015-06-25 14:25:13

(x - y)(x + y)

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