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what is x^2+6x+9=0

Guest Jun 11, 2012

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x^2+6x+9=0
X^2+6x=-9
x^2+6x/2=-9
x^2+3x +(3)^2=9-9
(x+3)^2= + or - sqr(0)
x=-3 + or - Sqr(0)
X= -3

(-3)^2+6(-3)+9=0
9-18+9=0
0=0

Guest Jun 12, 2012

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