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Mathematics 8 Online
OpenStudy (anonymous):

Find the product of (3x − 7y)2. 9x2 − 42xy + 49y2 9x2 + 42xy + 49y2 9x2 − 49y2 9x2 + 49y2

OpenStudy (cwrw238):

(3x - 7y)(3x - 7y) = (3x)^2 +3x*-7y -7y*3x + (-7)^2 simplify this and you've got it

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