Question

Consider the equation 256 = x4. How many real solutions of x exist?

Answer 1

x^4 = 256
x^4 = 4^4
x= 4 and x = -4

answer
2 real solutions; x= 4 and x = -4

Answer 2

There is 1 solution
If you solve the equation, you get x=64 by dividing 4 from both sides. 64 is one solution
hope this helps:)