24.0k views
5 votes
Algebraically prove that X^3+10/x^3+9=1+ 1/x^3+9 where x is not equal to -3

1 Answer

7 votes
Algebraically prove that X^3+10/x^3+9=1+ 1/x^3+9 where x is not equal to -3

(x^3+10)/(x^3+9)=1+(1)/(x^3+9) \\ \\ \\ (x^3+10)/(x^3+9)=((x^3+9)+1)/(x^3+9)\\ \\ \\ (x^3+10)/(x^3+9)=(x^3+10)/(x^3+9) \\ \\ \\x\in R \qquad x\in (-\infty, +\infty)
User Kalreg
by
5.9k points