Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

How do you factor #25n^2 - 20mn + 4m^2#?

1 Answer

May 10, 2018

# (5 n -2 m)^2#

Explanation:

# 25 n^2 -20 m n +4 m^2#

# = 25 n^2 -10 m n -10 m n+4 m^2#

# =5 n (5 n -2 m) - 2 m( 5 n - 2 m)#

# = (5 n -2 m) (5 n- 2 m)#

# = (5 n -2 m)^2# [Ans]

Related questions

See all questions in Factoring Completely

Impact of this question

2286 views around the world

You can reuse this answer
Creative Commons License