none of the above.
for one of the equations to be used in the process, there has to be a
term in the equation since
squared is
.
since there is only a
term in the first equation, we cannot derive a
from completing the square.
solving with completing the square
![x^2=-4x+3](/tex.php?f=x^2=-4x+3)
![x^2+4x=3](/tex.php?f=x^2+4x=3)
![x^2+4x+4=7](/tex.php?f=x^2+4x+4=7)
![(x+2)^2=7](/tex.php?f=(x+2)^2=7)
![x+2=+-\sqrt{7}](/tex.php?f=x+2=+-\sqrt{7})
![x=2+-\sqrt{7}](/tex.php?f=x=2+-\sqrt{7})