Advanced Math practice question

Answer: 6

x² − 5x − 6 = (x − 6)(x + 1), so x = 6 or x = −1.

Common wrong answers

If you answered 1

1 gives 1 − 5 − 6 = −10.

If you answered 3

3 gives 9 − 15 − 6 = −12.

If you answered -1

−1 is the negative solution.

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