Find the solutions of the equation

Question

3^x = x^4,
rounded to two decimal places. (Enter your answers as a comma-separated list.)

Answer 1

using your favorite iterative or graphical method, you can easily find that the solutions are

-8.80, 1.52, 7.17

Answer 2

-0.80, 1.52, 7.17

Answer 3

x=0