Hasil dari (3×-2y)^2 adalah ..

[tex] {(3x - 2y)}^{2} \\(3x - 2y)(3x - 2y) \\ {9x}^{2} - 6xy - 6xy + {4y}^{2} \\ {9x}^{2} + {4y}^{2} - 12xy[/tex]

[tex] {3x - 2y}^{2} \\ = (3x - 2y)(3x - 2y) \\ = {9x}^{2} - 12xy + {4y}^{2} [/tex]
semoga bermanfaat,,