branddemaster
branddemaster branddemaster
  • 24-02-2022
  • Mathematics
contestada

Twice the sum of a number and its reciprocal is 4. Find the number.​

Respuesta :

Аноним Аноним
  • 24-02-2022

Answer:

5 and negative 1?

Step-by-step explanation:

x+(1/x) = 4(x-(1/x)

The rest is just algebra.

x+(1/x) = 4(x-(1/x)

x + 1/x = 4 - 4/x

x + 5/x - 4 = 0

Multiplying both sides, we have:

x^2 - 4x + 5. = 0

Factoring:

(x+1) (x-5) = 0

Two solutions: 5 and -1.

Answer Link
levinsev000
levinsev000 levinsev000
  • 24-02-2022

the answer is 8

Step-by-step explanation:

Answer Link

Otras preguntas

What is the counterclaim of this argument? A voluntour experience is a necessary addition to an individual's college resume. B. The cost of voluntouring is mino
pls help with all thank youuuuuuu
What does the term “affrays” most likely mean as used in paragraph 2? A. misunderstandings B. debates C. disputes D. divisions
Daniel paused to examine a leaf on the sidewalk. These falling leaves mean only one thing: the last days of summer were drawing to a close. Soon his sister Nata
Alex Timbers, a wood supplier, receives an order of 10 wooden logs from a furniture manufacturing company. The client brief mentioned that the logs should be ma
A forester studying diameter growth of red pine believes that the mean diameter growth will be different from the known mean growth of 1.35 inches/year if a fer
Can someone give a sentence that includes an allusion.
purpose of union naval blockade
how might this document be used to argue that free blacks in the north did have some important rights
What are hidden taxes and are they fair? Why or why not?