Х4+14х-16+х6+4х-6 = х10+18х-24 28х=24 х=24:28=12:14=6:7=6/7 28*6/7=24 24=24 24-24=0 6/7*4+14*6/7-16+6/7*6+4*6/7-6=0 0=0