SOLUTION: Foil method. I dont understand how to do th foil method. How do I solve this? (3c+4d) (2c-4d)

Algebra ->  Expressions-with-variables -> SOLUTION: Foil method. I dont understand how to do th foil method. How do I solve this? (3c+4d) (2c-4d)      Log On


   

Question 320782: Foil method. I dont understand how to do th foil method. How do I solve this?
(3c+4d) (2c-4d)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Foil method. I dont understand how to do th foil method. How do I solve this?
(3c+4d) (2c-4d)
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F: (3c)(2c) = 6c^2
O: (3c)(-4d) = -12cd
I: (4d)(2c) = 8cd
L: (4d)(-4d) = -16d^2
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Combine "like" terms to get:
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= 6c^2 -4cd - 16d^2
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Cheers,
Stan H.