SOLUTION: Factor: 6(a+2b)^2-4(a+2b)^3+12(a+2b)^4 And: 25r^2-90r+81

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Question 76420: Factor:
6(a+2b)^2-4(a+2b)^3+12(a+2b)^4
And:
25r^2-90r+81
Answer by cathieb1225(41) About Me  (Show Source):
You can put this solution on YOUR website!
25r^2-90r+81
I can do this one but the other one is too crazy for me!
25x^2-90x+81
(5x-9)(5x-9) or (5x-9)^2