Question

(-ab + 5a - 4) - (4a - ab +9)

Answer 1

Answer:

(-ab+5a-4)-(4a-ab+9)

ad+5a-4

4a-ab+9

________

4a-5a-5

=4+5-5

=9-5

=4

Step-by-step explanation:

Answer 2

2ab + a + 13 is the answer i’m pretty sure