Step-by-step explanation: 21×27+21×(-51)=21×27+[21×(-51)] 567-1071=567-1071 -504=-504 there is 1 missing in RHS so I added it Reply
Step-by-step explanation:
21×27+21×(-51)=21×27+[21×(-51)]
567-1071=567-1071
-504=-504
there is 1 missing in RHS so I added it