3x 5x x 3 8x 5x 9 July 8, 2019 16 32 64 128 3x 5 x 3 8x 5x 9 3x 5x x 3 8x 5x 9 comprobaciĆ³n 6 3x - 5x x 3 ) 8x (- 5x 9 3 x-5=x+3