allvson
allvson
12-07-2017
Mathematics
contestada
Find the exact solution for x
Respuesta :
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
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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how to get the answers?
(2 StartRoot 7 EndRoot + 3 StartRoot 6 EndRoot) (5 StartRoot 2 EndRoot + 4 StartRoot 3 EndRoot)
