SOLUTION: how to solve this equation by using the square root porperty. (1-x)^2 = 4

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Question 760851: how to solve this equation by using the square root porperty. (1-x)^2 = 4
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
(1 - x)^2 = 4
Square root both sides
1 - x = sqrt4
1 - x = 2
- x = 2 - 1
- x = 1
x = -1
Proof
(1 - x)^2 = 4
(1 - (-1)^2 = 4
(1 + 1)^2 = 4
(2)^2 = 4
4 = 4
Hope this helps.
:-)