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Mathematics
Problem
Find the coefficient of
x
3
x^3
x
3
in the simplified form of
2
x
(
x
2
−
3
x
+
1
)
−
(
x
−
2
)
(
x
2
+
2
x
)
2x(x^2-3x+1)-(x-2)(x^2+2x)
2
x
(
x
2
−
3
x
+
1
)
−
(
x
−
2
)
(
x
2
+
2
x
)
. a)
3
3
3
b)
2
2
2
c)
1
1
1
d)
−
1
-1
−
1
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