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Mathematics 19 Online
OpenStudy (anonymous):

Find the product of (3x + 7y)(3x − 7y).

OpenStudy (anonymous):

6x^2 - 21xy +21xy -49y^2 6x^2 - 49y^2

OpenStudy (anonymous):

sorry i mean 9 not 6

OpenStudy (anonymous):

okay thanks

OpenStudy (anonymous):

np

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