factor3^3 + 3^3 + 3^3
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Step-by-step explanation:
3
(
x
3
−
1
)
Rewrite
1
as
1
3
.
3
(
x
3
−
1
3
)
Since both terms are perfect cubes, factor using the difference of cubes formula,
a
3
−
b
3
=
(
a
−
b
)
(
a
2
+
a
b
+
b
2
)
where
a
=
x
and
b
=
1
.
3
(
(
x
−
1
)
(
x
2
+
x
⋅
1
+
1
2
)
)
Factor.
3
(
x
−
1
)
(
x
2
+
x
+
1
)
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