2 x square 5 under root 3 x 6 0 July 8, 2019 16 32 64 128 2 x square 5 root 3 x 6 0 by quadratic formula Discriminant of 2 x square 5 root 3 x 6 0 is 2+under root 3 Square root of 3 Square root of 6 Square root of 21 Square root method algebra 2