Question

Find the value of 2(a+b)² -9(a+b)-5 ;a=1,b=2

Answer 1

- 17 is the answer to this Qn

Answer 2

Answer:

-2

Step-by-step explanation:

2(1+2)²-9(1+2)-5

2×5-9(1+2)-5

10-9(1+2)-5

1×3-5

-2

is this your answer