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|||||x^2-x-1| - 2| - 3| - 4| - 5| = x^2 + x - 30

Source: 1999 Swedish Mathematical Competition p1

April 2, 2021
absolute valuealgebraequation

Problem Statement

Solve ∣∣∣∣∣x2−x−1∣−2∣−3∣−4∣−5∣=x2+x−30|||||x^2-x-1| - 2| - 3| - 4| - 5| = x^2 + x - 30.
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