X2(x−y)5−y2(x−y)5 can be rewritten as (x+y)(x−y)a. What is the value of a ?

a is equal to 5x-5y

Step-by-step explanation:

is there any photos or whatever?

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk