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Anna71 [15]
3 years ago
13

3) Simplify:

id="TexFormula1" title=" {12x}^{2} - 27 \\ 4 - (2x + 1)" alt=" {12x}^{2} - 27 \\ 4 - (2x + 1)" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
irina1246 [14]3 years ago
8 0

Answer:

4+ \frac{3}{5}

Step-by-step explanation:

satela [25.4K]3 years ago
3 0

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 }

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