Posted by faith on Thursday, July 19, 2012 at 10:08am.
What is your question?
(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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