(3x - 5y)" by using
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Answer:
9x²–25y²
Step-by-step explanation:
(3x–5y)²........(a²–b²)=(a+b)(a–b)
=(3x+5y)(3x–5y)
=(3x)²–(5y)²
=9x²–5y²
Plz mark my answer as brainliest......
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