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OpenStudy (anonymous):
Find the product of (3x + 7y)(3x − 7y). my answer is 9x^2 − 49y^2 Am I right? :)
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OpenStudy (snowfire):
Yep that is correct, did you know that that specific form is actually a rule in mathematics?
OpenStudy (anonymous):
Yep! :) Thank you so much!
OpenStudy (snowfire):
I think you're just showing off your knowledge on openstudy =P
OpenStudy (anonymous):
Haha! :D
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