What substitution should be used to rewrite x10−13x5+12=0 as a quadratic equation? u=x10 u=x2 u=x5 u=x20

asked Aug 5, 2022 227k views

2 votes

What substitution should be used to rewrite x10−13x5+12=0 as a quadratic equation?

u=x10

u=x2

u=x5

u=x20

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5 votes

Answer:

Explanation:

put x^5=u

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4 votes

Answer:

u=x^(5)

Explanation:

$x^(10) - 13x^(5) + 12 = 0\\\\(x^(5))^(2) - 13x^(5) + 12 = 0\\\\u^(2)-13u+12=0$

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