Rumus : A^2 + 2AB + B^2 = (A + B)^2 Contoh : x^2 + 2xy +

Rumus : A^2 + 2AB + B^2 = (A + B)^2 Contoh : x^2 + 2xy + y^2 = (x + y)^2 x^2 - 2xy + y^2 = (x - y)^2 4x^2 - 20xy + 25y^2 = (2x - 5y)^2 Faktorkanlah : x^2 + 2ax + a^2 : a^2 - 2ac + c^2