1)6(8х+5)=0 2)-8(2х-0,5)=0 3)-8(2х-0,5)=-8
1)6(8х+5)=0 2)-8(2х-0,5)=0 3)-8(2х-0,5)=-8 48х+30=0 -16х+4=0 -16х+4=-8 48х=0-30 -16х=0-4 -16х=-8-4 48х=-30 -16х=-4 -16х=-12 х=-30/48 х=-4/(-16) х=-12/(-16) х=-5/8(в дробях) х=0,25 х=0,75