SOLUTION: find a real number that exceeds its cube by 2.

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Numbers -> SOLUTION: find a real number that exceeds its cube by 2.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 97253This question is from textbook
: find a real number that exceeds its cube by 2.This question is from textbook

Found 2 solutions by Nate, edjones:
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
x = x^3 + 2
Obviously, the number is negative.
Between -2 and -1 ...
graph%28300%2C300%2C-5%2C5%2C-5%2C5%2Cx%5E3+-+x+%2B+2%29
About -1.52

Answer by edjones(7311) About Me  (Show Source):
You can put this solution on YOUR website!
x=x^3+2
x^3-x+2=0 (no factors)
x=-1.5213797 (TI calculator)
x^3=-3.5213797
Ed