Answer:
a10 b10
Step-by-step explanation:
1. Given (12+3)x, we can sum the numbers in the parenthesis to get 15x
2. Given 12x+3x, we can factor x to get (12+3)x and get the same as 1.
3. Given (12+3x)x, we have to distribute the x and we have 
4. This expression is already simplified.
Answer:
the answers are B,D and E
Step-by-step explanation:
4 hours longer
questioning how that was even a need to ask question
it is simple subtraction
Answer:
lol you stupid how do you not know
Step-by-step explanation:
lol