Question

[tex]Rezolvati in multimea numerelor intregi Ecuatia: x^{2} =7-3 x^{2}y.
[/tex]

Answer 1

x²+4x²=7
5x²=7
x²=7/5
x=+-√7/√5=+-√35/5

Answer 2

[tex] x^{2} +4 x^{2} =7 [/tex]
$5 x^{2} =7$$x^{2} =7/5$