Question

Can someone just help me !

Answer 1

`√(a) 900` - 2

Explanation:

I won't be answering using words.

1. (3a+2a)(6a²+1-3)

2. (5a)(6a²-2)

3. 6a² × 5a - 2 × 5a

4. 6a × 6a × 5a - 2 × 5a

5. 180a × 5a - 2

6. 900a - 2

7.
`√(a) 900` - 2