Question

(x + y) (x + y )
$(x + y) (x + y )$
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Answer 1

Respuesta:

(x + y) (x + y )

$(x+y)(x+y)$

$(x+y)(x+y)$

$(x)(x)+(x)(y)+(y)(x)+(y)(y)$

$x^{2} +xy+xy+y^{2}$

$x^{2}+2xy+y ^{2}$