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3 years ago

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

Mathematics

1 answer:

Marat540 [252]3 years ago

7 0

Answer:

u = x^2

Step-by-step explanation:

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2 years ago

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

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