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DIA [1.3K]
4 years ago
14

Which polynomial is equivalent to this expression if n≠-1n≠-1? 3+n−2n21+n?

Mathematics
2 answers:
Irina18 [472]4 years ago
7 0
I suppose that the expression you wanted to write is \frac{3+n-2n^2}{1+n}. If so, then we have:

\frac{3+n-2n^2}{1+n}= \frac{3+3n-2n-2n^2}{1+n}  \\  \\ = \frac{3(1+n)-2n(1+n)}{1+n} = \frac{(3-2n)(1+n)}{1+n}  \\  \\ =3-2n
Masja [62]4 years ago
5 0

Answer:

Equivalent Polynomial of given polynomial is 3 - 2n.

Step-by-step explanation:

We are given following polynomial:

\frac{3+n-2n^2}{1+n}

We have top find equivalent polynomial such that n ≠ -1

Consider,

\frac{3+n-2n^2}{1+n}

=\frac{3+3n-2n-2n^2}{1+n}

=\frac{3(1+n)-2n(1+n)}{1+n}

=\frac{(1+n)(3-2n)}{1+n}

=3-2n

Therefore, Equivalent Polynomial of given polynomial is 3 - 2n.

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Which of the following statements best describes the solution to the problem below?
ZanzabumX [31]

Answer:

C

Step-by-step explanation:

Using rule of negatives and positives:
The rules for multiplication and division are simple: If both numbers are positive, the result is positive. If both numbers are negative, the result is positive. If one number is positive and the other is negative, the result is negative.

This is why C is the correct statement

4 0
2 years ago
2x+3y=12 and y=x+1.5 in substitution form
Sonbull [250]

Answer:

(1.5, 3)

Step-by-step explanation:

Given the 2 equations

2x + 3y = 12 → (1)

y = x + 1.5 → (2)

Substitute y = x + 1. 5 into (1)

2x + 3(x + 1.5) = 12 ← distribute and simplify left side

2x + 3x + 4.5 = 12

5x + 4.5 = 12 ( subtract 4.5 from both sides )

5x = 7.5 ( divide both sides by 5 )

x = 1.5

Substitute x = 1.5 into (2) for corresponding value of y

y = 1.5 + 1.5 = 3

Solution is (1.5, 3)

4 0
3 years ago
I need help finding m<1 please :)
Inessa [10]

Answer

c,116°

Step-by-step explanation:

i don't know how to draw a diagram?

Join ends of chord with the center making angles ∠2,∠3 and angle at the center.

angle at the center=128°

∠1=∠2+90°

∠2=∠3

∠2+∠3+128=180

∠2+∠2+128=180

2∠2=180-128=52

∠2=52/2=26

∠1=26+90=116°

sorry i can't explain properly without picure.

5 0
3 years ago
The profits earned in a year by some companies in a city are shown below:
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3 years ago
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Inessa05 [86]

Answer:The answer is 8


Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
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