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Polynomials
medium
0:00.0
For the quadratic
x
2
−
8
x
+
7
x^2 - 8x + 7
x
2
−
8
x
+
7
, what is the sum of its roots?
A
−
8
-8
−
8
B
7
7
7
C
8
8
8
D
56
56
56
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