Answer:
10(5+3)
Explanation:
If If you multiply 5 and 3 by 10 you'll get 50 + 30
First one
50 + 30 can be broken up into (10x5)+(10x3). You can simplify that into 10(5+3) because 10 x 5 =50 and 10x 3 = 30. :)
5.6m questions
7.3m answers