Example34 - both factors are +, the sign of the middle...

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Example 4 Factor  x 2  + 8  x  + 15.  x  + 3)(  x  + 5)   Notice that 3 × 5 = 15 and 3 + 5 = 8, the coefficient of the middle term. Also note that the signs of 
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Unformatted text preview: both factors are +, the sign of the middle term. To check,...
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This note was uploaded on 11/09/2011 for the course MATH 1310 taught by Professor Staff during the Fall '07 term at Texas State.

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