Question

Please help me by giving the answer of Q.6​

Answer 1

Answer:

-14

Step-by-step explanation:

2(a+b)²- 9(a+b) - 5

Putting a =1 and b=2

2(1+2)² - 9(1+2) - 5

2(3)² -9(3) - 5

2×9 - 9×3 - 5

18 - 27 - 5

18 - 32

-14

Answer 2

ANSWER :

a = 1

b=2

2(a+b)²- 9 ( a+b ) - 5

2(1+2)² - 9(1+2)-5

2+4-9+18-5

24-1410

=10

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