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OpenStudy (anonymous):
Find the product mentally. (2j + 7)(2j - 7)
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OpenStudy (anonymous):
first step is distribution
OpenStudy (texaschic101):
use FOIL method
OpenStudy (anonymous):
4j^2-49
OpenStudy (anonymous):
thats mentally, cant put down what we put mentally :D
OpenStudy (anonymous):
Find the product. (r + s)2
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OpenStudy (anonymous):
if you want to simplify it mentally, then it would be, r2+2rs+s2
OpenStudy (anonymous):
thanks man
OpenStudy (anonymous):
your welcome!
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