Respuesta:
X1= -1
Explicación paso a paso:
X^2 + X - 5X - 5 = 0
X x (X + 1) - 5 (X + 1) = 0
(X + 1) x (X - 5) = 0
X1 + 1 = 0 ; X2 = 5
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Respuesta:
X1= -1
Explicación paso a paso:
X^2 + X - 5X - 5 = 0
X x (X + 1) - 5 (X + 1) = 0
(X + 1) x (X - 5) = 0
X1 + 1 = 0 ; X2 = 5