1
+
a^3
=
(
1
+
____________________
)
(
1
-
____________________
+
a^2
)
x^3
+
y^3
=
(
____________________
+
____________________
)
(
____________________
-
____________________
+
y^2
)
m^3
-
n^3
=
(
____________________
-
n
)
(
____________________
+
____________________
+
____________________
)
y^3
+
1
=
(
____________________
+
1
)
(
____________________
-
____________________
+
____________________
)
8x^3
-
1
=
(
____________________
-
1
)
(
____________________
+
____________________
+
____________________
)
