Question

X2-x-2 split the middle term

Answer 1

Answer:

${x}^{2} - x - 2 = 0 \\ \\ = > {x}^{2} - 2x + x - 2 = 0 \\ \\ \\ = > x(x - 2) + 1(x - 2) = 0 \\ \\ \\ = > (x + 1)(x - 2) = 0 \\ \\ = > x = - 1 \\ = > x = 2$

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Answer 2

Answer:

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Step-by-step explanation:

x^2-(2x-x)-2

x^2-2x+x-2

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

(x-2)(x+1)