Question

${w}^{2} + {w}^{2} + {w}^{4}$
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Answer 1

Step-by-step explanation:

${w}^{2} + {w}^{2} + {w}^{4} = 0 \\ \\ 2 {w}^{2} + {w}^{4} = 0 \\ \\ {w}^{2}(2 + {w}^{2} ) = 0 \\ \\ 2 + {w}^{2} = 0 \\ \\ {w}^{2} = - 2 \\ \\ w = \sqrt{ - 2}$