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 ( 93+ )
Otras preguntas
Which describes a clinical psychologist? A. specialist in diagnosing and treating mental disorders who can prescribe medication B. specialist working primarily
A company is considering the purchase of a new machine for $48,000. Management expects that the machine can produce sales of $16,000 each year for the next 10 y
Who has the best overall health? A. a person who is not ill and is physically active B. a person who lives longer than his or her grandparents C. a person who b
Which statement regarding the dismal ram is true?
Solve by your method of choice.
What is this because I don’t know how to find the angle of V if it’s like this
THIS IS MY FINAL GRADE!!!!This type of writing tells a story.a) persuasiveb) expositoryc) descriptived) narrative
A statement Sn about the positive integers is given. Write statements Sk and Sk+1, simplifying Sk+1 completely. Sn: 1 + 4 + 7 + . . . + (3n - 2) = n(3n - 1)/2
Determine if true 5x-2yr28;(4,4)
What is the sum of (w-3) and (2w+2)
