Respuesta:
X² + 7x + 12=0
(x+3)(x+4)=0
X= -3, - 4
X² +8x + 7=0
(x+1)(x+7)=0
X= - 1 , -7
X² - 58 + 6 =0
X² - 52 =0
X² = 52
X² = ± raiz 52
X = ± 2 raiz 13
X² + 6x + 8 =0
(x+2)(x+4)=0
X = -2 , -4
X² - 12x + 20=0
(x-10)(x-2)=0
X= 10 , 2
2x² +3x - 1 =0
Explicación paso a paso:
X² + 7x + 12=0
(x+3)(x+4)=0
X= -3, - 4
X² +8x + 7=0
(x+1)(x+7)=0
X= - 1 , -7
X² - 58 + 6 =0
X² - 52 =0
X² = 52
X² = ± raiz 52
X = ± 2 raiz 13
X² + 6x + 8 =0
(x+2)(x+4)=0
X = -2 , -4
X² - 12x + 20=0
(x-10)(x-2)=0
X= 10 , 2
2x² +3x - 1 =0