Question

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)

Answer 1

Пошаговое объяснение:

1)а²-2а-4а+8=а²-6а+8

2)20х-15х²-12+9х=-15²+29х-12

3)х³+х²у²-ху-у³