SOLUTION: (X+1)^2. (x-1)^2 ---- - ----- 2 2 this proble

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Question 1003389: (X+1)^2. (x-1)^2
---- - -----
2 2

this problem is based on pythagorous theorem bd^2=od^2-ob^ pls sir explain me clearly because iam also weak in math
Ans=4x/4
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(X+1)^2. (x-1)^2
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2 2

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Expand
= ((x^2 + 2x + 1) - (x^2 - 2x + 1))/4
= 4x/4
= x