3 4x 1 2 =- 2 3x 9 July 8, 2019 16 32 64 128 6x 3 9x 4x 2 1 3x 2 3 (- 3x 2 )+ 4x 1 2 5x 30 )- 9 2 3 3x 9y 1 2 4x 2y 3 3x 1 )- 5 4x 2 )+ 9 2 x )= 15 3 x 3 = 9 1 + 2 + 3 + 4 = 10 1 2 + 3 4
