4 24x 4 July 8, 2019 16 32 64 128 4x2 24x 4 24x 4y 4 16x 2y 4x 4 24x 3 42x 4 24x 7 24x 4 43 24x 4 42x 3 4x 4 24x 1 3 4x 4 24x 2 108 4x 4 24x 2 15 in quadratic form 4x 4 24x 2 15 4x 4 24x 2 20 4x 4 24x 3 36x 2 24x 4y 4 24x 4 =- 4x 16 6 1 4 24x 40