Question

упростить выражение 1.2(2x-1)+3.5(x-2)+10.2

Answer 1

1) 1,2*(2х-1)+3,5*(х-2)+10,2=2,4х-1,2+3,5х-7+10,2=5,9х-8,2+10,2=5,9х+2.

Answer 2

1.2(2x-1)+3.5(x-2)+10.2=2.4x-1.2+3.5x-7+10.2=5.9