Practica la factorización.
Enviado por Terry.OC • 24 de Junio de 2016 • Prácticas o problemas • 310 Palabras (2 Páginas) • 127 Visitas
- x² -16= 0
(x + 4) (x - 4) = 0
X + 4 = 0
X = 0 – 4
X 1 = - 4
X – 4 = 0
X = 0 + 4
X 2 = 4
- x² +3x-10= 0
(x + 5) (x – 2) = 0
X + 5 = 0
X = 0 – 5
X 1 = - 5
X – 2 = 0
X = 0 + 2
X 2 = 2
- x² -8x+15= 0
(x – 3) (x – 5) = 0
X – 3 = 0
X = 0 + 3
X 1 = 3
X – 5 = 0
X = 0 + 5
X 2 = 5
- x² -5x= 0
(x) (x – 5) = 0
X – 1 = 0
X – 5 = 0
X = 0 + 5
X 2 = 5
- x² -4x+4= 0
(x – 2) (x +2) = 0
X – 2 = 0
X = 0 + 2
X 1 = 2
X + 2 = 0
X = 0 – 2
X 2 = 2
- x² -2x-24= 0
(x – 6) (x + 4) = 0
X – 6 = 0
X = 0 + 6
X 1 = 6
X + 4 = 0
X = 0 – 4
X 2 = - 4
- 2x² -11x-6= 0
(2 x + 1) (x – 6) = 0
2x + 1 = 0
X – 6 = 0
2x = - 1
X = 6
X = - ½
X = 6
- 3x² +2x-1= 0
(3 x – 1) (x + 1) = 0
3 x – 1 = 0
X + 1 = 0
3 x = 1
X = - 1
X = 1/3
X = - 1
- 3x² -7x-6= 0
(3 x + 2) (x - 3) = 0
3 x + 2 = 0
X – 3 = 0
3 x = - 2
X = 3
X = - 2/3
X = 3
- 6x² -11x+3= 0
(3 x – 1) (2 x – 3) = 0
3 x – 1 = 0
2 x – 3 = 0
3 x = 1
2 x = 3
X = 1/3
X = 3/2
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