Answer: You can use only common factor (3).
Step-by-step explanation:
12g²-27h²
3 . ( 4g² - 9h² )
13g + 4m = D
g=number of computer games
m=number of magazines
D=$ spent
Equivalent expressions are expressions with the same value.
The equivalent expression of
is 
Given that:

Open brackets

Collect like terms


Hence, the equivalent of
is 
Read more about equivalent expressions at:
brainly.com/question/18257981
Answer:
219 over 1000
Step-by-step explanation: