If x^2+1/x^2=23, then what is x^3+1/x^3=?

X²+1/x²=(x+1/x)²-2*x*1/x=(x+1/x)²-2 =23
(x+1/x)²=25
(x+1/x)=5 or -5
x³+(1/x)³=(x+1/x)(x²-x*1/x+²)
              =(x+1/x)(x²+²-1)
              =5*22
              =110
or x=-110          

Dang i wish i could , good luck (i’m bad at math)