(a - b)³ = a³ - b³ - 3ab(a - b) , (a + b)³ = a³ + b³ + 3ab(a + b
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(a - b)³ = a³ - b³ - 3ab(a - b) , (a + b)³ = a³ + b³ + 3ab(a + b right away.
(a - b)³ = a³ - b³ - 3ab(a - b) , (a + b)³ = a³ + b³ + 3ab(a + b right away.