SOLUTION: Solve the equation and check for extraneous solutions (please explain and show all work): ∛(x^2+9)=3 Thanks in advance! :)

Algebra ->  Radicals -> SOLUTION: Solve the equation and check for extraneous solutions (please explain and show all work): ∛(x^2+9)=3 Thanks in advance! :)      Log On


   

Question 776894: Solve the equation and check for extraneous solutions (please explain and show all work):
∛(x^2+9)=3
Thanks in advance! :)
Answer by psbhowmick(878) About Me  (Show Source):
You can put this solution on YOUR website!
∛(x^2+9)=3
x%5E2%2B9=3%5E3
x%5E2+=+27+-+9+=+18
x+=+0+%2B-+3%2Asqrt%282%29