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

Consider the principle N{A ∪ B} = N{A} + N{B} − N{A ∩ B}. An interview of 50 women in a residential subdivision reveals that 22 are gardeners while 31 are avid

A lion catches and eats a deer. What is this relationship ?

Why do crawlers not use POST requests?

Why did the United States and USSR take interest in gaining influence in the Middle East?

Find the AREA OF THE BASE of the cylinder! base is 10yd and height is 15yd

Which group does the president most rely upon for dat-to-day advice

Why is the Human Trafficking topic important? Please write in full sentences.

Please somebody help me!

Consequences for breaking alcohol selling laws include� a) The server being found guilty of a crime b) The server paying for damages caused by a person illegall

what is the correct answers NEED ANSWER ASAP