Algebra Flashcards by allegra Asplundh

Q

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x^2 - y^2

A

(x - y)(x + y)

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Q

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(x + y)^2

A

x^2 + 2xy + y^2

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Q

Special products

x^2 - 2xy + y^2

A

(x - y) ^2

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Q

198 x 202

A

Use quadratic template:

(200-2)(200+2) = 40,000 - 4

39,996

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