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Mathematics
Mathematics
Problem
The sum of all the roots of the equation
∣
x
2
−
8
x
+
15
∣
−
2
x
+
7
=
0
|x^2 - 8x + 15| - 2x + 7 = 0
∣
x
2
−
8
x
+
15∣
−
2
x
+
7
=
0
is: (a)
9
+
3
9 + \sqrt{3}
9
+
3
(b)
11
+
3
11 + \sqrt{3}
11
+
3
(c)
9
−
3
9 - \sqrt{3}
9
−
3
(d)
11
−
3
11 - \sqrt{3}
11
−
3
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