How to solve the square of X - 64x + 240 = 0,

How to solve the square of X - 64x + 240 = 0,


(x-60)(x-4)=0
x-60=0,x-4=0
x=60,x=4



What is the solution of X


x^2=3x
x^2-3x=0
x(x-3)=0
therefore
X = 0 or x = 3



How to solve the square of x = 30
Urgent


Square of x = 30
X = root 30