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X²-9y² can someone assist plz​
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X²-9y²
can someone assist plz​

User Carollynn
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1 Answer

2 votes

Answer:


{x}^(2) - 9 {y}^(2) \\ = {x}^(2) - {3}^(2) {y}^(2) \\ = {x}^(2) - {(3y)}^(2) \\ = (x - 3y)(x + 3y)

User Aaron Votre
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