SOLUTION: Solve by completing the square. x^2 = 5x + 2

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Question 104057: Solve by completing the square.
x^2 = 5x + 2

Answer by HyperBrain(694)   (Show Source): You can put this solution on YOUR website!
Transforming the equation,

Note that,perfect squares have the format,


Thus, comparing this to the equation,
2ab=-5x--------------------------------(1)
and also,
a=x------------------------------------(2)
Substituting (2) to (1),
2bx=-5x
2b=-5
b=-5/2
Then,

Thus,




or
or

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