Example53 - x 2 – 6 x 9 = x – 3 x – 3 = x – 3 2

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Example 3 Factor  x 2  – 6  x  + 9.  9 can be factored as  (1)(9), (–1)(–9), (3)(3), (–3)(–3) The only combination whose sum is –6 is (–3)(–3), so 
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Unformatted text preview: x 2 – 6 x + 9 = ( x – 3)( x – 3) = ( x – 3) 2...
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This note was uploaded on 11/10/2011 for the course MATH 1310 taught by Professor Staff during the Fall '07 term at Texas State.

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