Respuesta:
[tex]x²+14x+49[/tex]
[tex]x²+7x+7x+49[/tex]
[tex]x(x+7)x+7(x+7)[/tex]
[tex]( x + 7 ) ( x + 7 )[/tex]
[tex](x+7)^{2}[/tex]
espero que te ayude :)
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Respuesta:
[tex]x²+14x+49[/tex]
[tex]x²+7x+7x+49[/tex]
[tex]x(x+7)x+7(x+7)[/tex]
[tex]( x + 7 ) ( x + 7 )[/tex]
[tex](x+7)^{2}[/tex]
espero que te ayude :)