Factor: x^3-12x^2+47x-60=0 when 5 is a root. * O (x-3)(x-4)(x-5)=0 O (x+1)(x-4)(x-5)=0 O (x-3)(x-4)(2x-5)=0 O (x-5)(x-4)(x-5)=0 Find k so that (x – 2) is a factor of x^3 + kx – 4. *

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