Respuesta :

loneguy

Answer:

[tex]x = -4~ \text{and}~ x = -1[/tex]

Step-by-step explanation:

[tex]~~~~~~~x^2 +5x +4 =0\\\\\implies x^2 +4x +x +4 = 0\\\\\implies x(x+4) +(x+4) = 0\\\\\implies (x+4)(x+1) = 0\\\\\implies x = -4,~~ x = -1[/tex]

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