26-08-2014
Mathematics

contestada

How do you solve 5/x=x-4

Respuesta :

konrad509 konrad509

26-08-2014

[tex]\frac{5}{x}=x-4\\ x\not=0\\ 5=x^2-4x\\ x^2-4x-5=0\\ x^2+x-5x-5=0\\ x(x+1)-5(x+1)=0\\ (x-5)(x+1)=0\\ x=5 \vee x=-1[/tex]

Answer Link

Otras preguntas

Need help little confuse

Is a sewage bill a variable expense

Imagine that you're standing in a large room when a loud noise is made. You begin hearing a series of echoes. Which characteristic of sound best explains what

Which change to the U.S. Constitution was a direct result of the Slave Trade Compromise? A. Southern States were required to allow escaped slaves to go to t

Which number contains a sentence error? 1.Peregrine falcons are great fliers, and they help keep the pigeon population down in some cities. 2.Peregrine falcons

A deposit of 4,000 at 6.5% for 270 days

How does ATP supply energy for cellular activities?

In a hospital ward, there are 12 nurses and 4 doctors. 3 of the nurses and 2 of the doctors are male. If a person is randomly selected from this group, what is

How much larger is one cubic foot than one cubic inch

What did Missouri Kentucky Maryland and Delaware have in common during the Civil War