Answer:
[tex]x^{2}[/tex]-[tex]y^{2}[/tex]
Step-by-step explanation:
(x+y)(x-y)
Use Foil
x(x-y)=[tex]x^{2}[/tex]-xy
y(x-y)=xy-[tex]y^{2}[/tex]
Combine
[tex]x^{2}[/tex]-xy+xy-[tex]y^{2}[/tex]
-xy and xy cancel each other out so our final answer is
[tex]x^{2}[/tex]-[tex]y^{2}[/tex]
