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January 26, 2015

January 26, 2015

Posted by **jeana** on Sunday, July 3, 2011 at 11:15pm.

(a - b)2 = [a + (-b)]2

= a2 + 2a(-b) + (-b)2

= a2 – 2ab + b2

- math -
**Henry**, Tuesday, July 5, 2011 at 8:47pmHe is correct.

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