Question

 ( 2x+3y)(2x - 3y)= *

4x²+6xy+9y²

4x²-6xy+9y²

4x²+6xy-9y²

4x² - 9y²

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Answer 1

Answer:

4x²+6xy-9y²

Step-by-step explanation:

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Answer 2

Answer:

$(2x + 3y)(2x - 3y) \\ 2x(2x - 3y) + 3y(2x - 3y) \\ {4x}^{2} \cancel {- 6xy} \cancel{+ 6xy} - {9y}^{2} \\ {4x}^{2} - {9y}^{2} \\ (4x - 9y)^{2} \\ 4x ^{2} + 6xy - 9y^{2}$