Kris solved the radical equation 15−x−−−−−√+x=3 and found that x=−1 or x=6 . Which statement correctly describes the solution set of the radical equation? (1 point) Responses x=−1 or x=6 x equals negative 1 or x equals 6 x=−1 or x=−6 x equals negative 1 or x equals negative 6 x=1 x equals 1 x=−1 x equals negative 1