Respuesta :
Answer:
x² - y²
Step-by-step explanation:
(-y + x)(x + y)
(x - y)(x + y)
x² - y²
Answer:
____
x^2 - y^2
____
Step-by-step explanation:
(-y+x)(x+y) Can be written as (x-y)(x+y).
(x-y)(x+y)=x^2 - y^2
This formula is called, “difference of squares”
P.S.
A polynomial like x^2 + y^2 is ALWAYS prime.