Question

What are the factors of -
a^2-1-2x-x

Options:
a. (a-x+1)(a-x-1)
b. (a+x-1)(a-x+1)
c. (a+x+1)(a-x-1)
d. None of these​

Answer 1

Answer:

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Answer 2

Answer:

Option (c)

hope this is helpful...