03-09-2016
Mathematics

contestada

2x/x2-25=10/x2-25 - 4/x+5

Respuesta :

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

Otras preguntas

A cell biologist carefully measures the quantity of DNA in grasshopper cells growing in cell culture. Cells examined during the G1 phase of the cell cycle conta

Say the marginal tax rate is 30 percent and that government expenditures do not change with output. Say also that the economy is at potential output and that th

. Out of the following objects, which one has more inertia? A 200 page notebook A tennis ball A pen A football

Se golpea (chuta) un balón sobre el piso y sale dando botes parabólicos cada vez menores. Si se lanzo inicialmente con una velocidad de 32m/s, y un ángulo de 60

Which is a nonpolar molecule?

A random sample of 149 recent donations at a certain blood bank reveals that 76 were type A blood. Does this suggest that the actual percentage of type A donati

Find the he value of n if 4n=6 4

Solve for b. ab+c=d b=a+c/d b= a/(c-d) b = (d - c)/a

Which phrase best completes the diagram of the juvenile criminal justice process? A. Defendant is given the choice to be tried as an adun B. Grand jury rules on

taiwan essay describe a market in the morning, the atmosphere, the streets nighttime - the nightview, the silence, the streets in comparison, night markets - cr