SOLUTION: Could you please solve; find all real and imaginary solutions in exact form. X^4-9x^2-10=0 Thank you!

Algebra ->  Test -> SOLUTION: Could you please solve; find all real and imaginary solutions in exact form. X^4-9x^2-10=0 Thank you!       Log On


   

Question 773903: Could you please solve; find all real and imaginary solutions in exact form.
X^4-9x^2-10=0
Thank you!
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Could you please solve; find all real and imaginary solutions in exact form.
X^4-9x^2-10=0
***
(x^2-10)(x^2+1)=0
x^2-10=0
x=±√10
..
x^2+1=0
x=±√-1=±i