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Mathematics
Mathematics
Problem
Find the coefficient of
x
3
x^{3}
x
3
after simplifying the expression
(
2
x
+
3
)
(
x
2
−
x
+
2
)
−
4
x
(
x
2
−
1
)
(2x + 3)(x^{2} - x + 2) - 4x(x^{2} - 1)
(
2
x
+
3
)
(
x
2
−
x
+
2
)
−
4
x
(
x
2
−
1
)
.
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