3 years ago

Two step equations

Mathematics

1 answer:

Llana [10]3 years ago

6 0

28 each book 155-15=140 and then 140÷5=28

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Step-by-step explanation:

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Greeley [361]

<u>Answer:</u>

x = ±5

<u>Step-by-step explanation:</u>

We are given the following polynomial function and we are to find all of its real roots:

$x^4-24x^2-25$

Let $y=x^2$ so we can now write it as:

$y^2-24y-25$

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The quadratic factor has only complex roots. Therefore, the real roots are x = ±5.

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