expansion please and fast
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Hi friend !
(a-1/a)^3
(a^2-1)^3/a^3
a^6-1-3a(a^2-1)/a^3
(a-1/a)^3
(a^2-1)^3/a^3
a^6-1-3a(a^2-1)/a^3
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(a-b)³=(a-b)²(a-b)
(a-b)³=(a²-2ab+b²)(a-b)
(a-b)³=a³-a²b-2a²b+2ab²+ab²-b³
(a-b)³=a³-3a²b+3ab²-b³
(a-b)³=a³-3ab(a-b)-b³
(a-b)³=(a²-2ab+b²)(a-b)
(a-b)³=a³-a²b-2a²b+2ab²+ab²-b³
(a-b)³=a³-3a²b+3ab²-b³
(a-b)³=a³-3ab(a-b)-b³
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