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Mathematics 10 Online
OpenStudy (anonymous):

Find the product of (3x + 7y)(3x − 7y)? Do i foil with this?

thomaster (thomaster):

yes just foil it :)

OpenStudy (anonymous):

okay thank you

thomaster (thomaster):

Did you get the answer?

OpenStudy (anonymous):

(9x^2+49y^2)?

thomaster (thomaster):

\(\large +7y*-7y=-49y^2\) So not +49y^2

OpenStudy (anonymous):

ah thank you kindly :)

thomaster (thomaster):

you're welcome :)

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