Answer:
x²+xy+yx-y²
Step-by-step explanation:
(x+y)(x-y)
x times x =x²
x times y= xy
y times x=yx
y times y=y²
It's x*x+x*y-x*y-y*y => x^2 +xy - xy- y^2 = x^2-y^2
It is in simplest form so you leave it like that
The surface area is ≈ 451.92
(A) - B
(B) - DC
8,791- 2,899= 5892
Melinda ran 5,892 more meters on monday than tuesday
