Answers

2016-06-17T21:15:06+08:00
FOIL po ang gamit dyan
F=first
O=outer
I=inner
L=last

6. (x+7)(x-7)=-3x
     =x(sqaured)-7x+7x-49= -3x
     =x(squared)-49= -3x
     = x(sqaured)+3x-49  Note: Kapag nag transpose ka ng isang number, mapapalitan ang kanyang sign sa opposite nyang sign 
 


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  • Brainly User
2016-06-17T23:34:55+08:00
Click image below to view answers (Items 6 to 10).
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