Respuesta:
-(a+b)-3[2a+b(-a+2)]
-(a+b)-3[2a-ab+2b]
-a-b-6a+3ab-6b
-a-6a-b-6b+3ab
-7a-7b+3b
Explicación paso a paso:
-(a+b)-3[2a+b(-a+2)] =
-(a+b)-3[2a-ab+2b] =
-(a+b)-6a+3ab-6b = -a-b-6a+3ab-6b =
-a-6a-b-6b+3ab = -7a-7b+3ab
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Respuesta:
-(a+b)-3[2a+b(-a+2)]
-(a+b)-3[2a-ab+2b]
-a-b-6a+3ab-6b
-a-6a-b-6b+3ab
-7a-7b+3b
Explicación paso a paso:
-(a+b)-3[2a+b(-a+2)] =
-(a+b)-3[2a-ab+2b] =
-(a+b)-6a+3ab-6b = -a-b-6a+3ab-6b =
-a-6a-b-6b+3ab = -7a-7b+3ab