Respuesta:
Explicación paso a paso:
[tex]\texttt{Si y=-5}\Rightarrow 4x^{2}+2y=30\\4x^{2}+2(-5)=30\\4x^{2}-10=30\\4x^{2}=30+10\\4x^{2}=40\\x^{2}=\frac{40}{4}\\x=\pm\sqrt{10}[/tex]
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Respuesta:
Explicación paso a paso:
[tex]\texttt{Si y=-5}\Rightarrow 4x^{2}+2y=30\\4x^{2}+2(-5)=30\\4x^{2}-10=30\\4x^{2}=30+10\\4x^{2}=40\\x^{2}=\frac{40}{4}\\x=\pm\sqrt{10}[/tex]