Question

3) Simplify:

`{12x}^(2) - 27 \\ 4 - (2x + 1)`
​

Answer 1

`3(4x^2-9)`

Explanation:

First, we can start by factoring
`12x^2-27` so that we get:

`3(4x^2-9)`

Second Question:

Answer:

Explanation:

We can get rid of the parentheses by multiplying the minus inside:

`4-(2x+1)=4-2x-1 \text{ Now, we see that -1+4=3, and that we have:}\\3+2x \text{ as our final answer }`

Answer 2

4+
`(3)/(5)`

Explanation: