Question

Descomponer en factores x2+ 2xy+y2-25=

Answer 1

x2 + 2xy + y2 - 25 =                                   .                                        .

Answer 2

x²+2xy+y²-25
(x+y+5)(x+y-5)

comprobando
(x+y+5)(x+y-5)
x²+xy-5x+xy+y²-5y+5x+5y-25
x²+xy+xy+y²+5x-5x+5y-5y-25
x²+2xy+y²-25