college
posted by saad .
x2x1806=0 by completing the square

x^2x+1/4=1806+1/4
(x1/2)^2=( ? ) squared.
x1/2= + sqrt (1806+1/4) 
x^2x1806=0
x^2x=1806
x^2x+(1/2)^2=1806+(1/2)^2
(x1/2)^2=1806+1/4
(x1/2)^2=7224+1/4
(x1/2)^2=7225/4
as going
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