-5(2(-0.4)-3(0.1))-4(5(0.1)-(-0.4))
= -5(-0.8-0.3) - 4(0.5+0.4)
= -5(-1.1) - 4(0.9)
= 5.5 - 3.6
= 1.9

Ответ: 1.9