Question

упростите выражение -0,2(2x-1)+4,2(0,5x-8x)

Answer 1

 -0,2(2x-1)+4,2(0,5x-8x) = -0,4x+0.2+2.1x-33.6x = 1,7x-33.6+0.2=-31.9x+0.2
=0.2-31.9x