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Mathematics 8 Online
OpenStudy (anonymous):

Find the product mentally. (2j + 7)(2j - 7)

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

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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