Respuesta:
Reducimos términos semejantes!
[tex]ab + 2a - b - (2ab - 2a + b) = [/tex]
[tex]ab + 2a - b - 2ab + 2a - b = [/tex]
[tex](ab - 2ab) + (2a + 2a) + ( - b - b) = [/tex]
[tex] = - ab + 4a - 2b[/tex]
Saludos
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Respuesta:
hola
Reducimos términos semejantes!
[tex]ab + 2a - b - (2ab - 2a + b) = [/tex]
[tex]ab + 2a - b - 2ab + 2a - b = [/tex]
[tex](ab - 2ab) + (2a + 2a) + ( - b - b) = [/tex]
[tex] = - ab + 4a - 2b[/tex]
Saludos