Question

1) 4ab+8b+3a+6=(4ad+8b) + (3a +6) =4b (a+2) + ... ;
2) a²b + 2c² - abc - 2ac = abc + 2c² = (a²b-abc)+(2c²-2ac) = ab (a-c) + 2c (c-a)=... .​

Answer 1

Ответ:

1) 4b (a + 2) + 3 (a + 2) = (4b + 3) (a + 2)

2) ab (a - c) + 2c (c - a) = ab (a - c) - 2c (a - c) = (ab - 2c) (a - c)

Объяснение: