This is the difference of two cubes and it returns the
product:
-
=
-
=
( -
)(
+
*
+
)
-
= (
-
)(
+
*
+
)
We notice that the 1st factor
is also a difference of two cubes:
-
= (a -
b)( + ab +
)(
+
*
+
)
The factorized expression is -
= (a-b)(
+ ab +
)(
+
*
+
).
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