Answers

  • Brainly User
2014-05-23T20:23:59+05:30
No its not. The roots are -1,-3.
 x^{2} +4x+3=0
 x^{2} +3x+1x+3=0
x(x+3)+1(x+3)=0
x+1=0 or x+3=0
x=-1 or x=-3
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2014-05-25T11:54:27+05:30
The given equation is  x^{2} +4x+3 =0
so substitute the values of x which are given in the question if they satisfy then they are roots of the equation .

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