November 2021 1 8 Report
Решите систему пожалуйста. Подробно
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  \left \{ {{ x^{2} +y=5} \atop {6 x^{2} -y=2}} \right.  \\ 7 x^{2} =7\\ x^{2} =1\\x=+-1\\x=-1\\1+y=5\\y=4\\x=1\\1+y=5\\y=4 \\  \\  \left \{ {{x=-1} \atop {y=4}} \right. \left \{ {{x=1} \atop {y=4}} \right.
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