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bharjo10
bharjo10 bharjo10
  • 06-01-2017
  • Mathematics
Answered

what is the first step in solving x^2+2x+3=0

Verified Answer :

lizzieshrunk
lizzieshrunk lizzieshrunk
  • 06-01-2017

first subtract three from both sides. then you have \(x^{2}\) +2x=-3 and you solve from there

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chewishy
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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