x2-6+4x=0 solve the equation by completing square method
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x^2+4x-6 = 0
x^2+4x=0+6
x^2+4x+4=6+4
(x+2)^2=10
x= -2 (+-) square root of 10
x^2+4x=0+6
x^2+4x+4=6+4
(x+2)^2=10
x= -2 (+-) square root of 10
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