MathDB
Problems
Contests
National and Regional Contests
USA Contests
USA - College-Hosted Events
Stanford Mathematics Tournament
2013 Stanford Mathematics Tournament
7
SMT 2013 Algebra #7
SMT 2013 Algebra #7
Source:
February 3, 2013
algebra
polynomial
quadratics
Problem Statement
Find all real
x
x
x
that satisfy
20
x
+
20
x
+
13
3
3
=
13
\sqrt[3]{20x+\sqrt[3]{20x+13}}=13
3
20
x
+
3
20
x
+
13
ā
ā
=
13
.
Back to Problems
View on AoPS