Monday, July 26, 2010

Review: Exponent of Binomial

(x + a)2 = x2 + 2ax + a2

Example:
(x + 2)2
= (x + 2) (x + 2)
= x2 + 2x + 2x + 4
= x2 + 4x + 4
Posted by PISSA at 6:43 PM
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