SOLUTION: Factor completely. 28s^2+196st+343t^2

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Question 229351: Factor completely. 28s^2+196st+343t^2
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
28s^2+196st+343t^2
7(4s^2+28st+49t^2)
7(2s+7t)^2 ans.