Use FOIL to solve the problem (x-2)(x+2) last ?
2 Answers
(x-2)(x+2)
1) Do x times x =
2) Do x times 2 =
3) Do -2 times x =
4) Do -2 times 2 = -4
5) Put all of those terms in order
6) Add or subtract like terms
This is a different format but is still foil
Explanation:
Multiply everything inside the right brackets by everything in the left.
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