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12-11-2020
Mathematics

contestada

Factorise x2_2x+1
x2-6x+a
X2-18+81

Respuesta :

nopolca nopolca

13-11-2020

Answer:

x^2-2x+1 = (x-1)(x-1)

x^2-6x+a= (x-4)(x-2) a=8

X^2-18x+81 = (x-9)(x-9)

Step-by-step explanation:

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