SOLUTION: find all real solutions of the equation x^8 + 8x^4 = 9

SOLUTION: find all real solutions of the equation x^8 + 8x^4 = 9

Algebra.Com

Question 704574: find all real solutions of the equation
x^8 + 8x^4 = 9
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
x=4√-9,-4√-9,i,-i,1,-1
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