nicolasperez nicolasperez

15-03-2018
Mathematics

contestada

show that x=2 is a solution of the equation x^3-x-6=0

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Aqunictank Aqunictank

15-03-2018

You insert 2 instead of x and then check if the equation is correct. You get:

[tex]2^3-2-6=8-2-6=0[/tex], thus [tex]x=2[/tex] is a solution.

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reddog09 reddog09

15-03-2018

X^3-X-6=0
X=2
2^3=8
8-2-6=0
8-2=6
6-6=0

Answer Link

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