0.4x-0.8-3x+0.5x-1.2
If you would like to calculate 0.4 x - 0.8 - 3 x + 0.5 x - 1.2, you can do this using the following steps:0.4 x - 0.8 - 3 x + 0.5 x - 1.2 = (0.4 x - 3 x + 0.5 x) - 0.8 - 1.2 = - 2.1 x - 2The correct result would be - 2.1 * x - 2.