Factorise: (25m²–40mn+16n²)
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Answered by
18
Step-by-step explanation:
(5m)² - 2x5mx4n + (4n)²
by using identity a² -2ab+b² = (a-b)²
We get (5m-4n)²
Answered by
13
Answer:
(5m-4n)2
hence it is the right answer
hope it helps
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