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X/3 = 27
multiply through by 3
X = 81
======check in original equation
81/3 = 27
27 = 27
=======checks
3 x 3 x 3 = 27
27 = 3 x 3 x 3 (= 33)
1 x 27 3 x 9 3 x 3 x 3
(X^3-27) divided by (x-3)
1 x 27, 3 x 9, 9 x 3, 27 x 1 = 27
27
1 x 27, 3 x 9 = 27
1 x 243, 3 x 81, 9 x 27, 27 x 9, 81 x 3, 243 x 1
53
If: 75/x = 25 Then: x = 3