9x 2 x 1 0 July 8, 2019 16 32 64 128 9x 2 2x 1 0 X 2 9x 1 0 discriminant X 2 9x 10 x 2 1 0 X 3 6x 2 9x 1 0 X 3 3x 2 9x 1 0 1 9x 0 3 7 x 2 1 0 2х 9x 3 9x 2 x 1 0 9x 2 x 1 )- 4 x 1 )= 0 9x 2 4 3x 2 x 1 0 9x 2 6.3 x 1 1 0 9x2 2x 1 2 0 X 2 9x 1 0 quadratic formula Rozwiaz nierownosc 9x 2 1 )( x 5 0 X 3 9x 2 11x 1 0 Solve x 2 9x 1 0