SOLUTION: can you please help me solve by completing the square of ((( x^2-x-1=0 )))

Question 198264This question is from textbook algebra stucture and method
: can you please help me solve by completing the square of ((( x^2-x-1=0 ))) This question is from textbook algebra stucture and method

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

Add to both sides

Take 1/2 of the coefficient of ,
square it, and add it to both sides

The left side is a perfect square

Take the square root of both sides

So, there are 2 answers:

and

I checked the 2nd one on paper -OK
You can check also
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