Completar
lo
siguiente
:
x2
+
2x
-
8
=
0
(
x
+
____________________
)
(
x
-
____________________
)
x1
=
-
____________________
x2
=
+
____________________
x2
-
3x
-
8
(
x
+
____________________
)
(
x
-
____________________
)
x1
=
-
____________________
x2
=
____________________
x2
+
4x
-
12
(
x
-
____________________
)
(
x
+
____________________
)
x1
=
+
____________________
x2
=
-
6
