SOLUTION: Does this equation have only one solution? {{{ x^3 - 2x + 4 = 0 }}} A.) Yes 1 B.) No 2 C.) No 3 D.) No 4 I only found the solution of x=1張

Algebra ->  Equations -> SOLUTION: Does this equation have only one solution? {{{ x^3 - 2x + 4 = 0 }}} A.) Yes 1 B.) No 2 C.) No 3 D.) No 4 I only found the solution of x=1張      Log On


   



Question 1054407: Does this equation have only one solution? +x%5E3+-+2x+%2B+4+=+0+
A.) Yes 1
B.) No 2
C.) No 3
D.) No 4
I only found the solution of x=1張

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Graphing is helpful. It has one real solution, x=-2.
Therefore, (x+2) is a factor and (x^2-2x+2) is another.
And your two complex solutions of 1+/-i are correct.
Question ambiguous. Three solutions but only one real solution.
graph%28300%2C300%2C-10%2C10%2C-10%2C10%2Cx%5E3-2x%2B4%29