1) (a – 4) (a - 2)
2) (5x – 3) (4 – 3x)
3) (x² - y) (x + у²)

1) (a - b) (a + b)
2) (1,2х - 2,3y) (5x – 4y)
3) (16/5x²- 5/3y) (5/8 – 15y)

Question

Математика: 1) (a – 4) (a - 2) 2) (5x – 3) (4 – 3x) 3) (x² - y) (x + у²) 1) (a - b) (a + b) 2) (1,2х - 2,3y) (5x – 4y) 3) (16/5x²- 5/3y) (5/8 – 15y)

ksusa8613 · Answer

Пошаговое объяснение:1)а²-2а-4а+8=а²-6а+82)20х-15х²-12+9х=-15²+29х-123)х³+х²у²-ху-у³...