Question

9(a+b)² - 11(a+b) factorise , please do it quick​

Answer 1

Answer:

-2(a+b)^2

Step-by-step explanation:

i hope this is useful for you

Answer 2

Answer:

(a+b)(9a+9b-11)

Step-by-step explanation:

9(a+b)^2-11(a+b)

(a+b)(9(a+b)-11)                    Taking a+b common

(a+b)(9a+9b-11)                   Expanding