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Mathematics
Mathematics
Problem
Factorise completely
27
x
3
+
8
y
3
+
125
z
3
−
30
x
y
z
27x^{3}+8y^{3}+125z^{3}-30xyz
27
x
3
+
8
y
3
+
125
z
3
−
30
x
y
z
.
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