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DerKrebs [107]
3 years ago
10

What is the difference between the rational expressions below? 3x+1/x^2-5/x

Mathematics
1 answer:
Tom [10]3 years ago
5 0

Answer:

(3x^2-5x-5)/(x^2+x) <--- answer  

Step-by-step explanation:

3x/(x+1) - 5/x = (3x^2 - 5(x+1) )/[ x(x+1) ]  

= (3x^2 - 5x - 5)/(x^2 + x)

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Of the following sets, which numbers in {1, 2, 3, 4, 5} make the inequality 3x + 1 &gt; 4 true?
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Answer:

{2, 3, 4, 5}

Step-by-step explanation:

3x + 1 > 4

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If x = 1 the inequality is not true,

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6z + 7  = 8z - 9

8z - 9 = 6z + 7

Add sides 9

8z - 9 + 9 = 6z + 7 + 9

8z = 6z + 16

Subtract sides 6z

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Divide sides by 2

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z = 8

Thus ;

NP = 8z - 9

NP = 8(8) - 9

NP = 64 - 9

NP = 64 - 4 - 5

NP = 60 - 5

NP = 55

Done...

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