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Multiply. (3x + 5)(3x - 5)
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3 votes
Multiply.
(3x + 5)(3x - 5)

User Steeve Cannon
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1 Answer

7 votes


(3x + 5)(3x - 5) \\ \\ 3x(3x + 5) - 5(3x + 5) \\ \\ {9x}^(2) + 15x - 15x - 25

cancel ( + 15x - 15x )


9 {x}^(2) - 25.

User Daniel Majano
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