bharjo10
bharjo10
06-01-2017
Mathematics
contestada
what is the first step in solving x^2+2x+3=0
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lizzieshrunk
lizzieshrunk
06-01-2017
first subtract three from both sides. then you have [tex] x^{2} [/tex] +2x=-3 and you solve from there
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chewishy
chewishy
06-01-2017
Is the question asking by completing the square?
X^2+2X+3=0
X^2+2x+1+2=0
(x+1)^2+2=0
(x+1)^2=-2
x+1=squr root 2i or x+1=-sqr root 2i
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