Question

(2x-y)^2-11 (2x-y)+28​

Answer 1

Answer:

refer to the attachment

Step-by-step explanation:

PLEASE MARK AS BRAINEST

Answer 2

Step-by-step explanation:

Let 2x -y = a

a^2 -11a+28=0

a^2 -7a-4a +28=0

a(a-7) -4(a-7)=0

(a-4)(a-7)=0

a=4 or a=7