Respuesta :

chul
FOIL out the equation:

Step-By-Step:

[tex](2x+-5y) (2x+-5y)[/tex] (multiply)

You then get:
[tex]4x^2-10xy-10xy+25y^2[/tex]

Combine like terms.

Your Answer:

[tex]4x^2-20xy+25y^2[/tex]