Question

спростіть вираз
1)5m-(3m+5)+(2m-4)=
2)-5*(x+3)+4*(x-2)-6*(2x+1)=

Answer 1

1) 5m-(3m+5)+(2m-4) = 5m-3m-5+2m-4 = 4m-9
2) -5*( Х+3)+4(Х-2)-6(2Х+1) = -5Х-15+4Х-8-12Х-6 = -13Х-29 = 13Х+29