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Monday, March 21, 2011

chap 7 review nots

AC METHOD

6X^2-14X+9X-21 6x^2-5x-21 expanding (3x-7)(2x+3) factoring
2X(3X-7)+3(X-7)
(3x-7)(2x+3)


-126
/ \
-14 9

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