If the roots of the quadratic equation (4 + m) + $(x)^{2}$(m + 1) x + 1=0 are equal, then the value of m Is

If the roots of the quadratic equation (4 + m) + $(x)^{2}$(m + 1) x + 1=0 are equal, then the value of m Is
1). 5
2). 4
3). 2
4). None of these

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