Find the product of (9x+5y)(9x-5y).
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9x² - 5y² is answer mark as branliest pls
Answered by
9
Answer:
Using (a²-b²) identity: (a+b) (a-b)
⇒(9x)²-(5y)²
⇒81x²-25y²
⇒(81x+25y) (81x-25y)
Step-by-step explanation:
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