Find the real solution of the equation $x^3-27=0$.

Step-by-step solution

1. Move the constant term to the other side: $x^3=27$.
2. Take the cube root of both sides to get $x=sqrt[3]27$.
3. Since $3^3=27$, the real solution is $x=3$.

Concept tested: Solving cubic equations

Published 4 October 2026 · How this solution was prepared and checked