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

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chungerforeverBest ResponseYou've already chosen the best response.0
if you know the answer could you please explain it to me? I would like to know how..
 2 years ago

meverett04Best ResponseYou've already chosen the best response.5
(3x + 7y)(3x − 7y). First 3x times 3x = 9x2 Outside 3x times 7y = 21xy Inside 3x times 7y = 21xy Last 7y times 7y = 49y2 9 x2  21xy + 21xy  49y2 = 9x2  49y2
 2 years ago
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