Question

For a=1 b=2 find the value of 2(a+b)^2-9(a+b,)-5​

Answer 1

Answer:

-14

Step-by-step explanation:

2(a+b)^2-9(a+b)-5

2(1 + 2)^2 - 9(1 + 2) - 5

2(9) - 9(3) - 5

18 - 27 - 5

18 - 32

-14