Question

помогите!!!!!!!!!!!!!!!!

Answer 1

1) 8(3n-2m)-5(2n-m)= 24n-16m-10n+5m= 14n-9m
2) -11(4x+3y)-9(2y-3x)= -45x-33y-18y+27x= -18x+51y
3) -1,2(5x-6y)+1,4(5y-3x)= -6x+7,2y+7y-4,2x= -10,2x+14,2y=14,2y-10,2x