8) (1,2x - 2)(8x + 5,6) = 0

1.2x - 2 = 0 or 8x + 5.6 = 0

1.2x = 2 => x = 2 / 1.2 = 20/12 = 5/3

8x = -5.6 => x = -5.6 / 8 = -0.7

x = 5/3 or x = -0.7