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Dodger
 2 years ago
(a + b)(a  2b)
Dodger
 2 years ago
(a + b)(a  2b)

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texaschic101
 2 years ago
Best ResponseYou've already chosen the best response.1FOIL method F  first O  outside I  inside L  last (a + b)(a  2b) First  multiply first terms in each set....a * a = a^2 Outside  multiply outside terms ....a * 2b = 2ab Inside  multiply inside terms ...b * a = ab Last  multiply last terms....b * 2b = 2b^2 Now put them together... a^2  2ab + ab  2b^2 (combine like terms) a^2  ab  2b^2
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