Respuesta:
= 12×-9a-2b+4c
factorice a 2 de la expresión
= 2(-6×9a-b+2c
R= 2(-54a-b+2c)
____________________
= 5ab+3ab-2ab
= 5+3=8
= 8-2 =6
R = 6ab
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Respuesta:
= 12×-9a-2b+4c
factorice a 2 de la expresión
= 2(-6×9a-b+2c
R= 2(-54a-b+2c)
____________________
= 5ab+3ab-2ab
= 5+3=8
= 8-2 =6
R = 6ab