Question Simplify the expression z2−2z Evaluate (z−2)(z×1)Remove the parentheses (z−2)z×1Rewrite the expression (z−2)zMultiply the terms z(z−2)Apply the distributive property z×z−z×2Multiply the terms z2−z×2Solution z2−2z Show Solution Find the roots z1=0,z2=2 Evaluate (z−2)(z×1)To find the roots of the expression,set the expression equal to 0 (z−2)(z×1)=0Any expression multiplied by 1 remains the same (z−2)z=0Multiply the terms z(z−2)=0Separate the equation into 2 possible cases z=0z−2=0Solve the equation More Steps Evaluate z−2=0Move the constant to the right-hand side and change its sign z=0+2Removing 0 doesn't change the value,so remove it from the expression z=2 z=0z=2Solution z1=0,z2=2 Show Solution