Advanced Math practice question

Answer: 3

Let u = x − 1: u² + u − 6 = (u + 3)(u − 2) = 0, so u = 2 and x = 3.

Common wrong answers

If you answered 2

2 is u, not x.

If you answered 6

6 copies the constant.

If you answered -2

−2 is x for the root u = −3, which is not greater than 1.

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