Respuesta :

Answer:

Step-by-step explanation:

−5ab+4a−2

Answer:

-5ab+4a-2

Step-by-step explanation:

(-2ab+4a-1) - (3ab+1)

-2ab+4a-1 -3ab-1 (you put them out of the brackets by following the procedures. )

-2ab-3ab+4a-1-1 (then you collect like terms)

-5ab+4a-2