Quadratic Equations: Variations
Substitution
Solve #x# in the equation #3 x^{ 8}-25x^{4}+42 =0#.
Give your answer in the form #x=a\vee x=b\vee\ldots# if there are two or more solutions, #x=a# if there is one solution, or #none# if there is no solution.
Give your answer in the form #x=a\vee x=b\vee\ldots# if there are two or more solutions, #x=a# if there is one solution, or #none# if there is no solution.
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