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Mathematics
Problem
Find the complete factorisation of the polynomial
x
3
−
7
x
+
6
x^3-7x+6
x
3
−
7
x
+
6
. a)
(
x
−
1
)
(
x
2
+
x
+
6
)
(x-1)(x^2+x+6)
(
x
−
1
)
(
x
2
+
x
+
6
)
b)
(
x
+
1
)
(
x
+
3
)
(
x
−
2
)
(x+1)(x+3)(x-2)
(
x
+
1
)
(
x
+
3
)
(
x
−
2
)
c)
(
x
−
1
)
(
x
+
3
)
(
x
−
2
)
(x-1)(x+3)(x-2)
(
x
−
1
)
(
x
+
3
)
(
x
−
2
)
d)
(
x
−
1
)
(
x
+
2
)
(
x
−
3
)
(x-1)(x+2)(x-3)
(
x
−
1
)
(
x
+
2
)
(
x
−
3
)
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