SOLUTION: Factor completely. 112r^2+392rg+343g^2

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Question 330833: Factor completely. 112r^2+392rg+343g^2
Answer by mananth(16949) About Me  (Show Source):
You can put this solution on YOUR website!
112r^2+392rg+343g^2
divide by 7
7(16r^2+56rg+49g^2)
7((4r)^2+4r*7+(7g)^2)
&(4r+7g)^2