3x 2 12x 10 July 8, 2019 16 32 64 128 3x 2 12x 10 0 3x 2 12x 10 0 completing the square Y =- 3x 2 12x 10 X 3 3x 2 12x 10 Y 2x 3 3x 2 12x 10 Y =- 3x 2 12x 10 in vertex form F x )=- 3x 2 12x 10 X 4 6x 3 3x 2 12x 10 3x 2 7x 12x 34 2x 2 10 The roots of the equation 3x 2 12x 10 0 are 3x 2 12x 10 x 2 4x 5