Answer:
(2a-5)² is the final solution
Step-by-step explanation:
4a²-20a+25
= (2a)² - 2 × 2a × 5 + 5²
= (2a-5)²
You would subtract 1-1/4-1/3
you could find all the multiples of both 3 and 4 and see which one matches 12/12-3/12-4/12
then you would subtract and it becomes 5/12
hope this helps
All youi havr to do is divide those two number twogether then simply