Question

Evaluate 9 − ab + 2a when a = 4 and b = 5.​

Answer 1

Answer:

9-ab+2a

as we know a=4 and b=5

putting these value in eq we get

9 -(4)×(5) +2(4)

9-20+8

-20+17

-3

Answer 2

Answer:

-3

Step-by-step explanation:

9 - ab + 2a

9 - 4*5 + 2(4)

9 -20 + 8

-11 +8

= -3