Question

x^(3) + x^(2) - x - 1

Answer 1

Answer:

x^3+x^2-x-1

=x^2(x+1)-1(x+1)

=(x+1)(x^2-1)

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

=(x+1)^2(x-1)

Answer 2

Answer:

(x+1)(x+1)(x-1)

Step-by-step explanation:

${x}^{3} + {x}^{2} - x - 1 \\ {x}^{2}(x + 1) - 1(x + 1) \\ ( {x}^{2} - 1)(x + 1) \\ (x + 1)(x - 1)(x + 1)$

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