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Friday, March 18, 2011
Zero prop. product
Pq=0, then p=0 or q=0 Factor out Gcf (x-3)(x+6)=0 P Q
x-3=0 or x=6=0 x=-6 x2+5x+6=0 +3 +3 (x+2)(x+3)=0 x+2=0 or x+3=0 x=3 x=-2 x=-3
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