SmartGuy12348 SmartGuy12348

07-05-2022
Mathematics

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Find an expression which represents the difference when (-5x-y)(−5x−y) is subtracted from (9x+2y)(9x+2y) in simplest terms.

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07-05-2022

Answer:

56x² + 2xy+ 3y²

Step-by-step explanation:

81x²+18xy+18xy+4y² - (25x²+10xy+y²) = 56x² + 2xy+ 3y²

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