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(3x + 5y) (5x - 7y) =...

(3x + 5y) (5x - 7y) = ____

A

15`x^2` - 3`y^2`

B

15x^2 + 4xy - 35`y^2`

C

15`x^2` - 4xy

D

15x - 13x`y^2`

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