Question

factorise the following :
i) x²-2x-1=0 ​

Answer 1

Step-by-step explanation:

I hope it is helpful.

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Answer 2

Answer:

x=1,x=-1

Step-by-step explanation:

x^2-2x-1=0

x^2-x-x-1=0

x (x-1) 1 (x-1)=0

(x+1)(x-1)=0

x=1,x=-1