37.9k views
5 votes
Factorise&expanding
Can you factorise
81n-45

2 Answers

6 votes

Answer:

9(9n-5)

Explanation:

81n-45

9(9n-5)

User DaveCat
by
9.1k points
2 votes
9(9n-5)
9=0 9n-5=0
9n=5
9/5 is the answer and 0 or 9(9n-5)



User Aimee
by
7.4k points