Respostas

2014-01-17T12:53:29-02:00
(5x³-4)²= (5x³-4)(5x³-4)
(5x³-4)²= 25x^6-20x³-20x³+16
(5x³-4)²= 25x^6-40x³+16


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2014-01-17T12:54:58-02:00