Для a=8:(48 - 78) / 0.6 = (32 - 56) / 0.6 = (-24) / 0.6 = -40
Для a=-2:(4(-2) - 7(-2)) / 0.6 = (-8 + 14) / 0.6 = 6 / 0.6 = 10
Для a=8:
(48 - 78) / 0.6 = (32 - 56) / 0.6 = (-24) / 0.6 = -40
Для a=-2:
(4(-2) - 7(-2)) / 0.6 = (-8 + 14) / 0.6 = 6 / 0.6 = 10