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OlgaM077 [116]
3 years ago
12

Something weird was happening in space! Twenty-nine planets all bumped into each other planets once. How many bumps were felt th

roughout the galaxy?
Mathematics
1 answer:
gogolik [260]3 years ago
5 0

Answer:

Do you mean how many waves of sound and light went through the galaxy

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Divide (x^3-20x+16)/(x-4)
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\frac{( x^{3}-20x+16) }{(x-4)}

Use the rational root theorem:
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Therefore, check the following rational numbers: +-\frac{1,2,4,8,16}{1}

\frac{4}{1} is a root of the expression, so factor out x-4

Compute \frac{ x^{3}-20x+16 }{x-4} to get the rest of the equation.

\frac{(x-4)( x^{2} +4x-4)}{x-4}

Cancel the common factor:
x^{2}+4x-4 is the final answer
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