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Question Number 109699 by bemath last updated on 25/Aug/20

$$x{(x-1)}^2⩾12(x-1)$$

Answered by bemath last updated on 25/Aug/20

$$\iff (x-1)(x(x-1)-12)⩾0$$$$\iff (x-1)(x-4)(x+3)⩾0$$$$\iff -3⩽x⩽1\cup x⩾4$$

Commented by nimnim last updated on 25/Aug/20

$$\mathrm{Nice}..$$

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