Of the five quadratics listed below, four of them have two distinct roots. The fifth quadratic has a repeated root. Find the value of the repeated root.

**-x^2 + 18x + 81 3x^2 - 3x - 168 x^2 - 4x - 4 25x^2 - 30x + 9 x^2 - 14x + 24**

mathlete2008 May 3, 2020

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May 3, 2020