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(2x-3y)(2y+3x)

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  • math -

    (2x-3y)(2y+3x).

    1. Multiply 2x by each term in the 2nd
    parenthesis.

    2. Multiply -3y by each term in the 2nd
    parenthesis.

    3. Combine like-terms.

    (2x-3y)(2y+3x) =
    4xy + 6x^2 - 6y^2 - 9xy =
    6x^2 - 5xy - 6y^2.

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