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 3 years ago
Factor the expression 49x^2 42xy+9y^2 into a product of binomials.
So far I have (7x9y)(7x9y) I think the 9y is wrong but I do not know what to change it to then? Help?
 3 years ago
Factor the expression 49x^2 42xy+9y^2 into a product of binomials. So far I have (7x9y)(7x9y) I think the 9y is wrong but I do not know what to change it to then? Help?

This Question is Closed

abtrehearn
 3 years ago
Best ResponseYou've already chosen the best response.2That's a perfect square trinomial, and it factors to\[(7x  3y)^{2}.\]

Nickie_S
 3 years ago
Best ResponseYou've already chosen the best response.0I was just thinking maybe that last part is 3y. How would I show my work on this? Do I check it by doing FOIL?

abtrehearn
 3 years ago
Best ResponseYou've already chosen the best response.2Yes, you can check by the FOIL method.

Nickie_S
 3 years ago
Best ResponseYou've already chosen the best response.0Ok Thank you for your help!
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