SOLUTION: Using Foil, multiply: (2x2 + 4)(2x2- 4)
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Question 634324: Using Foil, multiply: (2x2 + 4)(2x2- 4)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Using Foil, multiply:
(2x2 + 4)(2x2- 4)
=4x^4-8x^2+8x^2-16
=4x^4-16
..
note: In this case, a better way is to use the difference of two squares instead of FOIL.
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