FKI
FKI
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
VER TODAS LAS RESPUESTAS ( 91+ )
Otras preguntas
What do you think is the author's purpose in writing the essay All men are my brothers?
What percentage of maximum heart rate should be the target in doing vigorous-intensity workout?A. 77% and 93% C. 75% and 90%B. 77% and 95% D. 77% and 100%
What type of account can you spend money directly with a debit card or check and make withdrawals if you need cash?
What is the main idea of privacy?
How do you facilitate a discussion?
Can a Mexican work in Canada?
Why does Katniss think Peeta Wouldnʼt understand about owing someone or paying back your debt )?
Which job has highest salary in future?
Why was the 14th Amendment violated?
What is a Commander in Chief supposed to do?
