Question

-4xy+5, 12xy+2, 9xy-8

plz answer this question step by step please

Answer 1

Answer:

17xy-1

Step-by-step explanation:

-4xy+5, + 12xy+2 + 9xy-8

(-4xy+12xy+9xy) + (5+2-8)

(12+9-4)xy + (5+2-8)

(21-4)xy + (7-8)

17xy + (-1)

17xy - 1