IAmPidgetto IAmPidgetto
  • 21-09-2016
  • Mathematics
contestada

find the value of this expression if x=4 x^2-4/x-8

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 22-09-2016
x = 4 + (x^2 - 4) / (x - 8)
x(x - 8) = 4(x - 8) + x^2 - 4
x^2 - 8x = 4x - 32 + x^2 - 4
-8x - 4x = -32 - 4
-12x = -36
x = -36/-12
x = 3
Answer Link

Otras preguntas

Describe the weather associated with a strong anticyclone that penetrates the southern tier of the united states in the winter.
Two wires are identical, except that one is aluminum and one is tungsten. the aluminum wire has a resistance of 0.22 ω. what is the resistance of the tungsten w
In the context of the sociological perspectives on groups and organizations, _____ contend that organizations promote inequality that benefits elites, not worke
Why is the Maybury Vs Madison case significant?
mathhhhhhhhhhhhhhhhhh
Lesson 14: Romeo and Juliet unit 2 1. The central idea in Act V of The Tragedy of Romeo and Juliet concerns the _____ A. Joys of love B. Dangers of disobedienc
A manufacturer of trophies wants to cover a trophy made of tin with thin layers of silver and gold. Which of the following processes should the manufacturer use
A flask contains 0.100 mol of liquid bromine, br2. determine the number of bromine molecules present in the flask.
Read this excerpt from “A Horseman in the Sky” by Ambrose Bierce. Which sentence or phrase in the passage reveals how the father feels about his son’s decision
Write a sentence using the verb traer, poner and salir to describe what you do when you go to a party