How do you factor $x² + 2x -8$ ?

Apr 12, 2018

$(x+4)(x-2)$

$"the factors of - 8 which sum to + 2 are + 4 and - 2"$

$rArrx^2+2x-8=(x+4)(x-2)$

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How do you factor x² + 2x -8x² + 2x -8?