Answers

2015-06-18T21:55:53+08:00
F- first term
O- Outer term 
I - Inner term
L- Last term 

(x+5) (x-3)
=  x^{2}  + 3x + 5x - 15 

 x^{2} + 8x - 15 
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2015-06-21T11:38:18+08:00
The meaning of FOIL
F- first term
O- Outer term 
I - Inner term
L- Last term 

(x+5) (x-3)
 + 3x + 5x - 15 

 + 8x - 15 
thats my answer
0