SOLUTION: Please help me with the following? Factor completely 175c^2+490cd+343d^2

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Question 376641: Please help me with the following?
Factor completely
175c^2+490cd+343d^2
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
175c^2 + 490cd + 343d^2
Factor out 7
7(25c^2 + 70cd + 49d^2)
Now it looks like a perfect square, we have 25 and 49, so we have
7(5c + 7d)(5c + 7d)