Question

2(a - 9)²
Pls answer this question​

Answer 1

Answer:

2×a2-81=0

4a-81=0

4a=81

a=81/4

a=20.25

Answer 2

Answer:

2a²-36a+162

Step-by-step explanation:

1. apply the formula of (a-b)²
2. Then multiply the whole answer with 2 as given in the question.
3. Atlast you'll get your answer.