x²-12x+20

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x²-12x+20x²-12x+20x²-12x+20x²-12x+20=(x-2)(x-10)x²-12x+20=(x-10)(x-2)x²

x²-12x+20
x²-12x+20

x²-12x+20
x²-12x+20
=(x-2)(x-10)

x²-12x+20=(x-10)(x-2)

x²-12x+20 =(x-2) (x-10)