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Is 25x²-40xy+16y²a perfect square number? why?​
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4 votes
Is 25x²-40xy+16y²a perfect square number? why?​

User Richeym
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1 Answer

6 votes

Answer:

yes

Explanation:

25x² - 40xy + 16y² can be factored as

(5x - 4y)² ← a perfect square

User Octern
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