Study 4.5 factoring Flash Cards

 
Pile Management Card
4.5 factoring

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Difference of cubes (-)
a3 – b3 = (a – b)(a2 + ab + b2)
Sum of cubes (+)
a3 + b3 = (a + b)(a2 – ab + b2)
perfect square trinomial (-)
(a - b)² = (a - b)(a - b) = a² - 2ab + b²
perfect square trinomial (+)
(a + b)² = (a + b)(a + b) = a² + 2ab + b²
difference of 2 squares
(a + b)(a − b) = a² − b²
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