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Byju's Answer
Standard IX
Mathematics
By Grouping
Factorise:27 ...
Question
Factorise:
27x
3
– y
3
– z
3
– 9xyz
Open in App
Solution
27
x
3
-
y
3
–
z
3
–
9
x
y
z
=
3
x
3
-
y
3
-
z
3
-
3
×
3
x
×
-
y
×
-
z
W
e
k
n
o
w
,
a
3
+
b
3
+
c
3
-
3
a
b
c
=
a
+
b
+
c
a
2
+
b
2
+
c
2
-
a
b
-
b
c
-
c
a
a
=
3
x
,
b
=
-
y
,
c
=
-
z
3
x
3
-
y
3
-
z
3
-
3
×
3
x
×
-
y
×
-
z
=
3
x
-
y
-
z
9
x
2
+
y
2
+
z
2
+
3
x
y
-
y
z
+
3
x
z
Suggest Corrections
9
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