Advanced Math practice question

Answer: -4

x² + 2x − 8 = (x + 4)(x − 2) = 0, so the negative solution is −4.

Common wrong answers

If you answered 2

2 is the positive solution.

If you answered -2

−2 gives 4 − 4 = 0.

If you answered -8

−8 copies the constant.

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