Question

Factories
(2a+b)^2-6a-3a-4​

Answer 1

Answer:

4a² + 4ab + b² - 9a - 4

Step-by-step explanation:

(2a+b) = (2a)² + 2(2a)(b) + b² = 4a² + 4ab + b²

-6a - 3a = -9a

-4 will remain as it is.

Answer 2

answer for u'r question