0 2 x 1 8 July 8, 2019 16 32 64 128 0 2x 2 1 8 0 3 x 2 8 1 5x 2x 2 x 1 8 0 4x 2 x 1 8 0 X 2 8x 1 0 X 2 8x 1 0 complete the square 4 x 2 x 1 80 0 X 2 8x 1 0 discriminant 2 2x 1 5 * 2 x 88 0 2 4 5 x 1 8 0 15 X 1 2 81 0 Oblicz 0 2 x 1 8 2x 2 x 1 8 0 by quadratic formula 2x 2 x 1 8 0 by completing the square 2x 2 x 1 8 0 find the roots