Completing the Square - Advanced

This example demonstrates solving quadratic equations and plotting their graphs using the method of completing the square. Core math concepts include completing the square, quadratic functions, vertex coordinates, and analytical geometry. Construction highlights involve GeoGebra commands/objects like Textfield, b_2, a, c_3, b_1, c, button1, f, g, text1, text5, text6, text7, text8, b_3, p_1, p_2, c_2, text2, text3, text4, g_1, g_2, g_3, InputBox1, InputBox2, InputBox3, d, e, h, text9, text10, text11. Suitable for high school mathematics teaching or student exploration of quadratic function properties.