Mathematics: Correct answer only ! what are the solutions to the equation? x3 − 8x2 − x + 8 = 0

Correct answer only ! what are the solutions to

Ответ:

sheram2010

12.03.2022

$x^3-8x^2-x+8=0\\\\x^2(x-8)-1(x-8)=0\\\\(x-8)(x^2-1)=0\iff x-8=0\ \vee\ x^2-1=0\\\\x-8=0\ \ \ |+8\\x=8\\\\x^2-1=0\ \ \ |+1\\x^2=1\to x=\pm\sqrt1\to x=\pm1\\\\\ x=-1\ or\ x=1\ or\ x=8$

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Ответ:

rndschopplein

25.05.2020

Mathematics

2.00/6 = $0.33 rounded to the nearest penny, it actually is $0.333333333333 (infinite)

I hope this helped you out :)

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Correct answer only ! what are the solutions to the equation? x3 − 8x2 − x + 8 = 0

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