Question

Срочно оо, помогите

у²+х²=4
{
у=2​

Answer 1

Ответ:

х=0 10000000000000000000%

Answer 2

${2}^{2} + {x}^{2} = 4 \\ 4 + {x}^{2} = 4 \\ {x}^{2} = 0\\ x = 0$