Respuesta :

gnnenu

Answer:

x^2-y^2

Step-by-step explanation:

positive x * positive x = x^2

positive y * negative y = -y^2

actionsportsworld

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]

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