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Mathematics
Mathematics
Problem
Expand the brackets and write in simplest form: a.
a
`
x
−
1
(
x
2
−
5
x
+
6
)
x^{-1}(x^2 - 5x + 6)
x
−
1
(
x
2
−
5
x
+
6
)
b.
b
(
x
3
+
x
−
1
)
2
(x^3 + x^{-1})^2
(
x
3
+
x
−
1
)
2
c.
c
(
x
2
−
3
)
(
x
+
x
−
1
)
(x^2 - 3)(x + x^{-1})
(
x
2
−
3
)
(
x
+
x
−
1
)
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