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1
Chisinau MO p16 1949-56 VIII-IX system 2x2, x^3 + y^3= 7,x y (x + y) = -2
Chisinau MO p16 1949-56 VIII-IX system 2x2, x^3 + y^3= 7,x y (x + y) = -2
Source:
March 15, 2021
algebra
system of equations
Problem Statement
Solve the system of equations:
{
x
3
+
y
3
=
7
x
y
(
x
+
y
)
=
−
2
\begin{cases} x^3 + y^3= 7 \\ xy (x + y) = -2\end{cases}
{
x
3
+
y
3
=
7
x
y
(
x
+
y
)
=
−
2
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