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how to solve (y+4) (y-2)

 Nov 8, 2015
 #1
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(y+4) (y-2)

 

=y (y-2)   +4(y-2)

 

= y^2   -2y     +4y    -8

 

= y^2     +  2y         -8

 Nov 8, 2015

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