Matematika Sekolah Menengah Pertama Aljabar~

(3y + 2x - 3)² =

Aljabar~ (3y + 2x - 3)² = ​ (3y + 2x - 3)² = (3y + 2x - 3)(3y + 2x - 3) = 9y² + 6xy - 9y + 6xy + 4x² - 6x - 9y - 6x + 9 = 9y² + 6xy + 6xy - 6x - 6x - 9y - 9y + 4x² + 9 = 4x² + 9y² - 12x + 12xy - 18y + 9 [answer.2.content]