Question

the factors of 1 -x^2=?​​

Answer 1

Answer:

1

Step-by-step explanation:

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Answer 2

Answer:

X=-1 and x=1

Step-by-step explanation:

X^2-1=0

X^2-1^2=0

Using identity

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

So 2 answers - 1,1