Question

(-5ab+4a+4) - (2ab-1)

Answer 1

Answer:

−7ab+4a+5

Step-by-step explanation:

−5ab+4a+4−2ab+1

(−5ab−2ab)+4a+(4+1)

−7ab+4a+5

Answer 2

Answer:

-7ab+4a+3

Just [add/subtract] all like terms.