sundas
sundas
03-09-2016
Mathematics
contestada
2x/x2-25=10/x2-25 - 4/x+5
Respuesta :
caylus
caylus
03-09-2016
Hello,
x²-25≠0==>x≠5 and x≠-5
[tex] \dfrac{2x}{x^2-25}= \dfrac{10}{x^2-25}- \dfrac{4}{x+5} \\ \dfrac{2x}{x^2-25}= \dfrac{10}{x^2-25}- \dfrac{4(x-5)}{(x+5)(x-5)} \\ 2x=10-4x+20\\ 6x=30\\ x= 5 [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 84+ )
Otras preguntas
You're most likely to pay your county or town taxes in the form of a/an _______ tax.
Most evolutionists believe that there was no six-day Creation
The United States has some of the world’s largest resources of all of the following minerals except __________. a. silver b. gold c. diamonds d. copper
How do I find X for 3x-7=5x-13?
1589➗84 simplify if possible
What is the phobia called where you are afraid of everything?
A scientist observes that a zebra ran 54 yards in 135 seconds. The zebra ran at a rate of _ feet per minute
I have this photo essay assignment. I did the pictures and I came up with sentences. Can someone translate them (without using a translator) 1. I do my school
Polls are taken to a. guarantee the constitutional rights of all people. b. determine people's attitudes and viewpoints. c. further the political socialization
Soil structure and soil texture are essentially the same property of soil. true or false
