1
)
x²
+
____________________
x
-
____________________
=
(
x
+
6
)
(
x
-
3
)
2
)
m²
+
____________________
m
-
72
=
(
m
+
9
)
(
m
-
8
)
3
)
x
?
-
____________________
x²
-
____________________
=
(
x²
-
3
)
(
x²
+
1
)
4
)
a²
+
____________________
ab
-
____________________
b²
=
(
a
+
5b
)
(
a²
-
3b
)
5
)
m²
-
____________________
m
-
____________________
=
(
m
-
7
)
(
m
+
4
)
