SOLUTION: Factor completely. 200c^2+640cd+512d^2

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Question 391746: Factor completely.
200c^2+640cd+512d^2
Answer by CharlesG2(834) About Me  (Show Source):
You can put this solution on YOUR website!
Factor completely.
200c^2+640cd+512d^2
200c^2 + 640cd + 512d^2 --> 4(50c^2 + 160cd + 128d^2)
8(25c^2 + 80cd + 64d^2)
8(5c + 8d)(5c + 8d) --> by FOIL (5C + 8d)^2 = 25c^2 + 2(40cd) + 64d^2
8(5c + 8d)^2