Question

The factors of x² – 1 are (x + 1) and?

Answer 1

Answer:

The other is x-1

Step-by-step explanation:

$\tt \longrightarrow {x }^{2} - 1 \\ \tt \longrightarrow(x) ^{2} - {(1)}^{2} \\\tt \longrightarrow (x + 1)(x - 1)$

Answer 2

Answer:

X2-1

=x2-(1)2

(x-1)(x+1)

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