amyannereed1999
amyannereed1999 amyannereed1999
  • 23-10-2016
  • Mathematics
contestada

How do I work out this problem? Ln(5x-3)=Ln9-Ln(x-3)

Respuesta :

toporc
toporc toporc
  • 23-10-2016
Using the laws of logs, the equation can be simplified to:
5x - 3 = 9/(x - 3)
Cross-multiplying gives:
(5x - 3)(x - 3) = 9
Expanding and rearranging, we get:
5x^2 - 18x = 0
which factorizes to:
x(5x - 18) = 0
Therefore x = 0, 3 3/5.
Answer Link

Otras preguntas

Dictionary entries for verbs contain? a. homonyms. b. common misspellings. c. past tenses. d. spelling rules.
what were the youth movement and the counterculture ?
What is the correct way to write the following sentence from the passage? Then I'll pass it to Charles when he runs toward the basket." OA. Then I'll pass it to
If you roll a 6-sided die 54 times, what is the best prediction possible for the number of times you will roll a five?
what is the best deal on flour .a .b .c .d
Use the Pythagorean theorem to find x. Enter the answer in simplified form. Need help ASAP!
Balloons By Sunset (BBS) is considering the purchase of two new hot air balloons so that it can expand its desert sunset tours. Various information about the pr
PLEASE ANSWER BOTH QUESTIONS DUE TODAY!!!! (19 POINTS)
given: triangle ABC with vertices A(1, 2), B(7, 0), and C(3, -2). prove: triangle ABC is an isosceles right triangle pls help
Topic : Substitution and Formula Website : Mathswatch