X=1+5-x find x^3+1+x^3

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Answer. X= 1+ 5-x X + X = 1+ 5 2X = 6 X = 3 given equation = x^3 + 1 +"x^3 = (3)^3 + 1 + (3)^3 = 27 + 1 + 27 = 55
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