radomes.openskiesproject.org
namuncura8
namuncura8 namuncura8
  • 10-01-2015
  • Mathematics
Answered

log(x+3)(2x+3)+log(x+3)(x+5)=2

Verified Answer :

meylinkalsaleh
meylinkalsaleh meylinkalsaleh
  • 10-01-2015

log(x-3)+log(x) = 2 + log(x+2) 
---------------------------
log[(x-3)x] - log(x+2) = 2
-----
log[(x^2-3x)/(x+2)] = 2
----
(x^2-3x)/(x+2) = 2^2
-------

x^2-3x = 4x+8
x^2 - 7x - 8 = 0
Factor:
(x-8)(x+1) = 0
Positive solution:
x = 8

Answer Link

Related Questions

A parallelogram has an area of 3772 m2 and a height of 46 m How long is the base of the parallelogram Enter your answer as a decimal in the box
Is the Coriolis effect caused by the jet stream
Whats was apollo the god occupation
State the relationship between degrees Celsius and kelvins
The Andersons took the family dog to the vet The dog weighed 3545 pounds What is this decimal rounded to the nearest tenth nearest whole number nearest ten Whic
Explain which Gas Law the diagram below represents Describe the relationship observed between the temperature and volume of this gas 3 points
Andrew Jacksons rise to power marked which new characteristic in how Americans voted a oneparty system a twoparty system nullification spoils system
what are three ways to solve systems of equations or inequality
Cómo han influido en rituales que rodean la plaza española eventos como baile
Read the excerpt from Chapter 23 of Frankenstein which focuses on Victors state of mindfollowing his fathers deathWhat then became of me I know not I lost sensa