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 ( 75+ )
Otras preguntas
The __________ states that genes have specific positions on chromosomes and that chromosomes undergo both __________ and __________.
Four out of 5 students passed the entrance exam. On the same trend, if 252 students got passing mark, how many students took the examination?
explain the major natural resources of nepal
Read the following excerpt. The poison arrow frog, which resides in the tropical forests of South America, has enough toxicity on its skin that a dart rubbed ac
A 75.1 L sample of gas at 33.2 ºC and 365.7 mm Hg expands to 242.9 L at 6.5 ºC. What is the new gas pressure?
A drawer contains loose socks. There are 2 blue and 4 black socks in the drawers. What is the probability that you choose a sock without looking, then choose a
How does the mass per nucleon of an element change as the atomic number increases?
The nest by robert zacks If Paul was your friend, how would you have treated him?
Lee el texto y escoge la mejor respuesta. Read the text and select the best answer. La ciudad suiza de Zürich acogerá a partir de este sábado el Cybathlon, los
How does the valency of an element show its reactiveness in a chemical reaction
