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Mathematics
Mathematics
Problem
Find the sum of the polynomials
5
x
2
−
3
x
+
7
5x^2 - 3x + 7
5
x
2
−
3
x
+
7
and
2
x
2
+
4
x
−
9
2x^2 + 4x - 9
2
x
2
+
4
x
−
9
.
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