Factorise : 54x3 - 2 (3x - y)
Answers
Answered by
2
Answer:
544 =x
Step-by-step explanation:
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Answered by
0
Step-by-step explanation:
2
(
27
x
3
−
y
3
)
Rewrite
27
x
3
as
(
3
x
)
3
.
2
(
(
3
x
)
3
−
y
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
=
3
x
and
b
=
y
.
2
(
(
3
x
−
y
)
(
(
3
x
)
2
+
3
x
y
+
y
2
)
)
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