rosaperez4865
rosaperez4865 rosaperez4865
  • 22-04-2018
  • Mathematics
contestada

Help please! Would mean so much to me<3
Simplify the rational expression. State any restrictions on the variable.
x^2-2x-8 / x^2-16

Respuesta :

TheBreeze
TheBreeze TheBreeze
  • 22-04-2018
So:
(x-4)(x+2) / (x-4)(x+4)
We cancel out the x - 4:
(x+2)/(x+4)
Restrictions: x ≠ 4, x ≠ -4
Answer Link
Аноним Аноним
  • 22-04-2018
[tex] \dfrac{x^2-2x-8}{x^2-16} = \dfrac{ (x + 2)(x - 4)}{(x-4)(x+4)} = \dfrac{x+2}{x+4} [/tex]

[tex]\boxed {\boxed{\text{Answer :} \dfrac{x+2}{x+4} , x \neq -4 }}[/tex]
Answer Link

Otras preguntas

How is estimation helpful when adding and subtracting decimals?
Quiero estudiar para abogado, pero primero quiero _____ qué universidad es la mejor para estudiar esa profesión.
What problems could arise if scientists use different units to measure height
1. Which of the following is generally true about all of the islands of the Caribbean. They have a tropical climate Spanish is the official language They are te
Captain Smith is a merchant engaged in the triangular trade. He is currently carrying raw materials such as cotton and tobacco, which have recently been harvest
What is the study of fungi called? bacteriology mycology fungalogy fungal biology?
evaluate three benefits of participating in a community project
What is the value of x?
The Babylonian king Hammurabi and the eastern roman emperor Justinian I both influenced the development of American government by?
Write a dialogue in which you use effective communication skills to explain to the teen the importance of knowing first aid. Be creative.