Hasil dari(-3x+5)^2 tolong jawab

(-3x+5)^2
= (-3x+5)(-3x+5)
= 9x² - 15x - 15x + 25
= 9x² - 30x + 25

(-3x+5)² = (-3x+5)(-3x+5)
= (-3x . -3x)+(-3x . 5)+(5 . -3x)+(5 . 5)
= 9x² - 15x - 15x + 25
= 9x² - 30x + 25

maaf kalo salah