Question

$x {2} - 2x - 8$
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Answer 1

x^2 - 2x - 8

= x^2 - 4x + 2x - 8

= x(x-4) +2(x-4)

= (x-4)(x+2)

Answer 2

x^2 - 2x - 8

= x^2 -4x + 2x - 8

= x(x-4) + 2(x-2)

= (x-4)(x+2)