Answer:x=0,X=4Step-by-step explanation:To solve the equation x^2 - 4x = 0, we can factor out an x: x(x - 4) = 0 This equation is true if either x = 0 or x - 4 = 0. Solving for x in the second case, we get x = 4. Therefore, the solutions are \boxed{x = 0, x = 4}.