Question

$x 2 + x + 2 by$
solve by using splitting middle term
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Answer 1

Step-by-step explanation:

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

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