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6
Find a+b
Find a+b
Source:
May 18, 2015
algebra
Problem Statement
If
a
,
b
a,b
a
,
b
are real numbers such that
a
3
+
12
a
2
+
49
a
+
69
=
0
a^3 +12a^2 + 49a + 69 = 0
a
3
+
12
a
2
+
49
a
+
69
=
0
and
b
3
−
9
b
2
+
28
b
−
31
=
0
,
b^3 - 9b^2 + 28b - 31 = 0,
b
3
−
9
b
2
+
28
b
−
31
=
0
,
find
a
+
b
.
a + b .
a
+
b
.
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