Bamacat
Bamacat Bamacat
  • 27-03-2017
  • Mathematics
contestada

what is the F.O.I.L.method

Respuesta :

gracieminks
gracieminks gracieminks
  • 27-03-2017
Example: (3+2)(4+5)
FRONT- 3x4=12
OUTSIDE- 3x5=15
INSIDE- 2x4=8
LAST- 2x5=10
Because they are all positive, you add them all together now.
ANSWER- 45
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