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Factor: x2−17x+72x^2-17x+72x2−17x+72
(x-9)(x-8)
(3x-5)(x-4)
(x-5)(x-6)
(2x-2)(4x-3)
(5x-7)(x-2)
(10x-1)(x-10)
(x-11)(x-10)
Factor: 4x2−16x+154x^2-16x+154x2−16x+15
(2x-5)(2x-3)
(x-6)(x-11)
(7x-3)(2x-4)
It is done.