SOLUTION: Solve by completing the square. x^2 = 5x + 2
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-> SOLUTION: Solve by completing the square. x^2 = 5x + 2
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Question 88326
:
Solve by completing the square.
x^2 = 5x + 2
Answer by
stanbon(75887)
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x^2 = 5x + 2
x^2-5x+(5/2)^2 = 2+(5/2)^2
(x-(5/2))^2 = 29/4
x-(5/2) = [sqrt29]/2 or x-(5/2)=-[sqrt29]/2
x = (5+sqrt(29))/2 or x = (5-sqrt(29))/2
===============
Cheers,
Stan H.