Answers

2014-06-07T09:06:11+05:30
2/3 x=-1/6 x^2-1/3
2/3 x=-x^2/6-2/6
12/3 x=-x^2-2
4 x=-x^2-2
4 x+x^2+2=0
x=-2+2^1/2,-2-2^1/2
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2014-06-10T13:37:43+05:30
2/3x=-1/6x²-1/3
=>1/6x²+2/3x+1/3=0
=>(x²+4x+2)/6=0
=>x²+4x+2=0
=>x²+(2+2)x+2=0
=>x²+2x+2x+2=0
=>x(x+2)+2(x+1)
=>(x+2)(x+1)
=x=-2 and x=-1
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