Taking online test help! I need this answer QUICK. Solve for x: x^2=4x?

[Yourdad]

I'm taking this online quiz and I need help answering this problem.

x^2=4x, it says solve for x.

thanks!!!!!

 

[Glen M]

x = 4 y = 16

 

[keithreturns2]

x^2 - 4x = 0
x(x-4) = 0
x = 0, 4