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(x-4)^3 pls solve fast |
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Answer» (x-3)^3 identity: (a-b)^3 = a^3 - b^3 - 3ab(a-b) solution: (x-3)^3 = (x)^3 - (3)^3 - 3(x)(3)[x-3] = x^3 - 27 - 9X ( x-3) = x^3 - 27 - 9x^2 - 27 x = x^3 - 9x^2 - 27X - 27 |
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