What is factor x^2-1x-2 ?

The solution to factor x^2-1x-2 is (x+1)(x-2)

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factor x^2-1x-2

factor

x^{2} - 1 x - 2

(x + 1) (x - 2)

Solution steps

x^{2} - 1 \cdot x - 2

Break the expression into groups

= (x^{2} + x) + (- 2 x - 2)

Factor out

x

from

x^{2} + x : x (x + 1)

Factor out

- 2

from

- 2 x - 2 : - 2 (x + 1)

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

Factor out common term

x + 1

= (x + 1) (x - 2)

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