The solution of 4x ^ 3-24x ^ 2 + 36x = 0

4x﹙x²－6x＋9﹚＝0
4x﹙x－3﹚²＝0
4X = 0 or (x-3) & # = 0
∴x1＝0,x2＝3,x3＝3

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