Question

3) Simplify: id="TexFormula1" title=" {12x}^{2} - 27 \\ 4 - (2x + 1)" alt=" {12x}^{2} - 27 \\ 4 - (2x + 1)" align="absmiddle" class="latex-formula">
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Answer 1

Answer:

4+ $\frac{3}{5}$

Step-by-step explanation:

Answer 2

Answer:

$3(4x^2-9)$

Step-by-step explanation:

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

$3(4x^2-9)$

Second Question:

Answer:

Step-by-step explanation:

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

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