polynomial identities for factories
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8 Terms
1
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a² - b² = (a + b)(a - b)
difference of 2 squares
2
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a² + b² = (a + bi)(a - bi)
sum of two squares
3
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a² + 2ab + b² = (a + b)²
perfect square trinomial
4
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a² - 2ab + b² = (a - b)²
perfect square trinomial
5
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a³ + 3a²b + 3ab² + b³ = (a + b)³
binomial cubed
6
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a³ - 3a²b + 3ab² - b³ = (a - b)³
binomial cubed
7
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a³ - b³ = (a - b)(a² + ab + b²)
difference of 2 cubes
8
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a³ + b³ = (a + b)(a² - ab + b²)
sum of two cubes
Note 
Flashcards (309)