The factors of a^2 -1-2 x - x^2 are
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Answer:
(a+1)(a-1) - x(2+x)
Step-by-step explanation:
a^2 - 1 - 2x - x^2
(a^2 - 1) - x(2 + x)
(a + 1) ( a - 1) - x (2 + x )
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