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06-06-2019
Mathematics

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what substitution should be used to rewrite 4x^4-21x^2+20=0 as a quadratic equation

what substitution should be used to rewrite 4x421x2200 as a quadratic equation class=

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luqa151p0godw luqa151p0godw

06-06-2019

Answer:

u = x^2

Step-by-step explanation:

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