What should substitution should’ve ended used to rewrite x^8-3x^4+2=0 as a quadratic equation

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What should substitution should’ve ended used to rewrite x^8-3x^4+2=0 as a quadratic equation

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Thu Thủy 8 hours 2021-07-22T16:37:17+00:00 1 Answers 0 views 0

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    2021-07-22T16:38:25+00:00

    Step-by-step explanation:

    is the answer something like x^12=-2

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )