owen-murray_60c1a197c4859
owen-murray_60c1a197c4859
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3xy - { ( 2xy + 4x) + [ 3y - (x + xy + 2xy ) ] } Se va resolviendo de adentro hacia afuera, si hay un signo menos afuera del paréntesis, multiplicas por menos todo lo que esté adentro: 3xy - { ( 2xy + 4x) + [ 3y - x - xy - 2xy ] } 3xy - …