Раскрой скобки (8-5y)*5, (4-2x)*10, (6+3x)*8
(8-5y)5=40-25y (4-2x)10=40-20x (6+3x)8=48+24x
(8-5y)*5= 40-25y
(4-2x)*10= 40-20x
(6+3x)*8= 48+24x