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OpenStudy (anonymous):
~~~~~GIVING OUT A MEDAL AND FANNING THE PEOPLE WHO HELP ME THANK YOU!!!!!!!!!!~~~~~~~~ Find the product of (3x + 7y)2. 9x2 − 42xy + 49y2 9x2 − 49y2 9x2 + 49y2 9x2 + 42xy + 49y2
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OpenStudy (anonymous):
4th option. Simply break it into (3x+7y)(3x+7y) and FOIL it out
OpenStudy (anonymous):
So the answer is option four
OpenStudy (anonymous):
Yep
OpenStudy (anonymous):
Just foil it out if you want to make sure? But you should know with only positives in the factors, it must be all positive as the answer
OpenStudy (anonymous):
Ok thank you
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