SOLUTION: Solve using substitution. Find all solutions, real or complex. {{{ x^(4/3) - 3x^(2/3) - 10 = 0 }}}

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Solve using substitution. Find all solutions, real or complex. {{{ x^(4/3) - 3x^(2/3) - 10 = 0 }}}      Log On


   

Question 470090: Solve using substitution. Find all solutions, real or complex.
+x%5E%284%2F3%29+-+3x%5E%282%2F3%29+-+10+=+0+
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve using substitution. Find all solutions, real or complex.
+x%5E%284%2F3%29+-+3x%5E%282%2F3%29+-+10+=+0+
Sub y for x^(2/3)
y%5E2+-+3y+-+10+=+0
y = -2,5
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root%283%2Cx%29+=+-2
x = -8
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root%283%2Cx%29+=+5
x = 125