allvson
allvson allvson
  • 12-07-2017
  • Mathematics
contestada

Find the exact solution for x

Find the exact solution for x class=

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Banabanana
Banabanana Banabanana
  • 12-07-2017
[tex]2x^3=28 \\ x^3 = 28/2 \\x^3=14\\x= \sqrt[3]{14} [/tex]

A.
Answer Link
DayraNunez
DayraNunez DayraNunez
  • 12-07-2017
Decompose the equation into factors as
2.(x3-14)=0

Solve the equation with first factor
x3-14=0

Rewrite this equation as
x3=14

You'll have the following roots
x=3/14

The solution is 3/14
Answer Link

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