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 ( 74+ )
Otras preguntas
I need help awnsering these questions please get to me soon as you can
Read the following excerpt from Federalist #14 by James Madison Had overy State a right to regulate the value of its coin, there might be as many different curr
A theorem states that if f is continuous on an interval I that contains one local extremum at c and if a local minimum occurs at c, then f(c) is the absolute mi
"The Negro Speaks of Rivers" by Langston Hughes promoted what?1.African-American culture2.Young poets in America3.Harlem Renaissance4. writers
What is a key difference between the phosphorus cycle and the carbon and nitrogen cycles? Phosphorus is present in both living and non-living things. Plants abs
Comparing Marx and old major’s ideas
Louie is filling this cylindrical drum with oil. How many cubic feet of oil will the drum hold? Louie determines that the drum can hold how many cubic feet of o
Atomic radii decrease, moving from left to right across a period. As a result, the electrons become closer to the nucleus. What effect does this movement have o
Describe what you think was the most beneficial change in engineering practice as a result of the military-industrial-university complex in the Cold War, and wh
the win and loss record for a local basketball team is shown in the table, find P (win and away)
