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enot [183]
3 years ago
12

What is (4n + 3n2 + 2) - (n - 6n

Mathematics
1 answer:
Masja [62]3 years ago
4 0

Step-by-step explanation:

4n + 3n2 + 2 + n + 6n – 1 Expand with – 1

3n2 + 4n + n + 6n + 2 – 1 Grouped liked terms

3n2 + 11n – 1

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What is the solution to the linear equation? 6k 10.5 = 3k 12 k = 0.5 k = 2 k = 7.3 k = 9
inn [45]

The solution of the linear equation is k =0.5.

<h3>What is the linear equation?</h3>

An equation is a mathematical statement, which has an equal sign (=) between the algebraic expression.

Linear equations are the equations of degree 1.

The given linear equation is;

\rm 6k + 10.5 = 3k + 12

The value of k is determined in the following steps given below.

\rm 6k + 10.5 = 3k + 12\\\\6k-3k=12-10.5\\\\3k = 1.5\\\\k = \dfrac{1.5}{3}\\\\k = 0.5

Hence, the solution of the linear equation is k =0.5.

To know more about linear equations click the link given below.

brainly.com/question/5085290

4 0
3 years ago
Read 2 more answers
Study the dimensions of the shape. Find it’s perimeter. Use 3.14 for pi.
viktelen [127]
It’s just a square that’s displaced. 12*9=108
6 0
3 years ago
Read 2 more answers
Can someone please help? I’m a little stuck here.<br><br> Factor Differences Of squares.
VikaD [51]

Answer:

29. 9p(2p+1)(2p-1)

31. 4k(2k+5)(2k-5)

Step-by-step explanation:

29. 9p(36p^3/9p-9p/9p)

9p(4p^2-1)

9p((2p)^2-1^2)

9p(2p+1)(2p-1)

31. 4k(16k^3/4k+-100k/4k)

4k(4k^2-25)

4k((2k)^2-5^2)

4k(2k+5)(2k-5)

5 0
3 years ago
Which expression is equal to (x+2)(−3x2+3x+1)?
padilas [110]
Multiply everything in the second parenthesis by x.

-3x^3 + 3x^2 + x

Multiply everything in the second parenthesis by 2.

-6x^2 + 6x + 2

Combine these two equations together.

-3x^3 + 3x^2 + x - 6x^2 + 6x + 2

Combine like terms.

-3x^3 - 3x^2 + 7x + 2

Hope this helps!
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7 0
4 years ago
Solve for the following system by using Elimination4x-2y=86x+6y=30
Ilia_Sergeevich [38]

System

\begin{gathered} 4x-2y=8 \\ 6x+6y=30 \end{gathered}\begin{gathered} 3(4x-2y)=8 \\ 6x+6y=30 \\  \\ 12x-6y=24 \\ + \\ 6x+6y=30 \\  \\ 12x+6x-6y+6y=24+30 \\ 18x=54 \\ x=3 \end{gathered}

Now, for y

\begin{gathered} 4x-2y=8 \\ -2y=8-4x \\ 2y=4x-8 \\ y=\frac{4x-8}{2} \\ y=\frac{4\cdot3-8}{2} \\ y=\frac{12-8}{2} \\ y=\frac{4}{2} \\ y=2 \end{gathered}

3 0
1 year ago
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