Foiling Equations Flashcards

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1
Q

(a - b)(a + b) = ?

A

a^2 - b^2

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2
Q

(a + b)^2 = ?

A

a^2 + 2ab + b^2

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3
Q

(a - b)^2 = ?

A

a^2 - 2ab + b^2

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