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A2
x^2-8x+20=2\sqrt{x^2-8x+30 OLCOMA Costa Rica 2018 SL A2
x^2-8x+20=2\sqrt{x^2-8x+30 OLCOMA Costa Rica 2018 SL A2
Source:
October 1, 2021
algebra
Problem Statement
Determine the sum of the real roots of the equation
x
2
−
8
x
+
20
=
2
x
2
−
8
x
+
30
x^2-8x+20=2\sqrt{x^2-8x+30}
x
2
−
8
x
+
20
=
2
x
2
−
8
x
+
30
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