2 2x 63 0 July 8, 2019 16 32 64 128 X 2 2x 63 0 3x 2 2x 63 0 2x 2 11x 63 0 X 4 2x 2 63 0 X 2 2x 63 0 quadratic formula X 2 2x 63 0 complete the square X 2 2x 63 0 factor X 2 2x 63 0 vertex 2x 2 5x 63 0 Factorise x 2 2x 63 0 2x 2 7x 63 0 2x 2 23x 63 0 Solve x 4 2x 2 63 0