lBrilyHochollo
lBrilyHochollo
31-07-2016
Mathematics
contestada
simplify (x+3)cubed...do I expand?
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nobillionaireNobley
nobillionaireNobley
04-08-2016
(x + 3)^3 = (x + 3)(x + 3)(x + 3) = (x + 3)(x^2 + 6x + 9) = x^3 + 9x^2 + 27x + 27
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