Answers

2016-02-06T21:22:57+05:30
X=(-3)
(-3)2 + 6 x-3 + 9=0
9-18+9 =0
-9+9 = 0
0=0 
therefore -3 is the solution
plzz best
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2016-02-06T21:26:41+05:30
X²+6x+9=0
x²+3x+3x+9=0
x(x+3)+3(x+3)=0
(x+3) (x+3)=0
Hence we get x+3=0
x=-3
So we get the value of x as -3 and -3.
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