Текст песни стандартные квадратные трехчлены - в кубе

what needs to be done to bring the standard square trinomial to the standard form, it is necessary that there are 6 such members and then there will be a square standard monomial and what would be in the cube you need such standard square trinomials that there would be 3 pieces in the example and add all this and will be in a standard square trinomial in a cube