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3 years ago

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An equation and the steps to solve it are shown below:

2 answers:

Elan Coil [88]3 years ago

4 0

Hello,

2x - one over four of (12x + 4) = 3
must be written:
2x-1/4 *(12x+4)=3
And we see a sign '-' before 1/4.

Step 1:
2x-(3x+1)=3 or 2x-3x-1=3 and not 2x+3x-1=3

Answer A
since Step 1, because incorrect signs have been used

And here, Mehek are there sufficients explanations?

Ronch [10]3 years ago

4 0

2x - one over four of (12x + 4) = 3 in the original statement is expressed as 2x - 0.25 *(12x +4). The "of" conjunction means multiplication. Therefore,the statement is expressed as 2x - 3x -1 = 3. Step one shows different signs on the third and second terms as it did not consider the negative sign. The answer hence is A. <span>Step 1, because incorrect signs have been used</span>

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2 years ago

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lawyer [7]

Answer:

2. $-2m^4-6m^2+4m+9$

3. $-2m^4-6m^2-4m+9$

Step-by-step explanation:

<em>In general we can write a polynomial in standard form as </em>

$ax^n+bx^n^-^1+cx^n^-^2+...+px+q$

<em>Given</em> $4m-2m^4-6m^2-4m+9$

<em>Combine the like terms: 4m and -4m</em>

<em>4m-4m=0</em>

<em>We have 4m-4m=0</em>

<em>So, write the remaining terms</em>

$-2m^4-6m^2+9+0$

= $-2m^4-6m^2+9$

<em>This is in decreasing order of powers.</em>

<em>Hence the answer is the standard form is</em>

$-2m^3-6m^2+9$

<em>But in the given options, you can choose option 2 and option 3 are in standard form.</em>

<em>Because they are in decreasing order of powers.</em>

<em>In other two options, the constants term is first and the highest power term is at the last. So, they are not in standard form.</em>

<em>-2m^4-6m^2+4m+9</em>

<em>-2m^4-6m^2-4m+9</em>

<em>I hope this helps you.</em>

<em>And please comment if I need to do corrections.</em>

<em>Please let me know if you have any questions.</em>

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3 years ago