Answer:

Step-by-step explanation:
Please see the attached picture for the full solution.
Answer: 50.0
Step-by-step explanation:
1. Add 45+55=100
2. Divide 100 by 2 =50
3. Add a decimal after 50.0
5.45787878 = 545787878/100000000
divide both numerator and denominator by 2 or any other number
545787878 ÷ 2 = 272893939
100000000 ÷ 2 = 50000000
272893939/50000000 is your answer
The answer is (m+5) (m+7).