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Mathematics
Problem
After simplifying
(
3
x
2
y
−
2
x
y
+
4
)
+
(
5
x
y
2
−
x
2
y
+
6
x
y
)
−
(
2
x
y
2
+
4
x
y
−
4
)
(3x^2y - 2xy + 4) + (5xy^2 - x^2y + 6xy) - (2xy^2 + 4xy - 4)
(
3
x
2
y
−
2
x
y
+
4
)
+
(
5
x
y
2
−
x
2
y
+
6
x
y
)
−
(
2
x
y
2
+
4
x
y
−
4
)
, determine the degree of the resulting polynomial. a)
4
4
4
b)
2
2
2
c)
3
3
3
d)
5
5
5
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