SOLUTION: I am wondering how do I factor 81x^2-72x+16

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Question 450244: I am wondering how do I factor
81x^2-72x+16
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

factoring

81x^2-72x+16

(9x-4)(9x-4)

  Note:SUM of the outside terms(-36x) and the inside terms(-36x) = -72x