Question Solve the quadratic equation Solve by factoring Solve using the quadratic formula Solve by completing the square Load more z1=0,z2=30 Evaluate z2−30z=0Factor the expression More Steps Evaluate z2−30zRewrite the expression z×z−z×30Factor out z from the expression z(z−30) z(z−30)=0When the product of factors equals 0,at least one factor is 0 z−30=0z=0Solve the equation for z More Steps Evaluate z−30=0Move the constant to the right-hand side and change its sign z=0+30Removing 0 doesn't change the value,so remove it from the expression z=30 z=30z=0Solution z1=0,z2=30 Show Solution Graph