Mathematics, 05.04.2021 16:10 katelynamber10

${x }^{2} + x + {x}^{ - 1} + {x}^{ - 2} = 4$ can someone show me how to solve that.(not just the answer)

thanks

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can someone show me how to solve that.(not just the answer)thanks​

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${x }^{2} + x + {x}^{ - 1} + {x}^{ - 2} = 4$ can someone show me how to solve that.(not just the answer)

thanks