Question

(2а + b)2 - 6а - 3b - 4​

Answer 1

Answer:

(2a+b)2-6a-3b-4

= 4a+2b-6a-3b-4

=-2a-b-4

Step-by-step explanation:

hope it helps you

Answer 2

Answer: ( 2a + b )² - 6a - 3b - 4

(2a + b)² - 3( 2a + b ) - 4 ( Make (2a + b) = x )

(x)² - 3(x) - 4

x² - 3x - 4

x² - 4x + x - 4

x(x - 4) + 1(x - 4)

(x + 1)(x - 4)