« previous next »
Pages: [1]   Go Down

Author Topic: Factorization  (Read 2461 times)

Offline Diablo

  • SF Citizen
  • ***
  • Posts: 146
  • Reputation: 101
Factorization
« on: November 22, 2009, 03:54:10 pm »
What's the best and fastest way to factorize 4x(squared)-11x+6  :D :D

answer is (4x-3)(x-2)

what do you guys think?
Logged

Offline AS girl

  • SF Master
  • ******
  • Posts: 1589
  • Reputation: 13769
  • Gender: Female
Re: Factorization
« Reply #1 on: November 22, 2009, 04:09:59 pm »
4x(squared)-11x+6
a=4,b=-11,c=6
1) get the value of ac
4*6=24

2) get the factors of 24...when u multiply it together u get 24, when added u get b...which is (-11)

3) factors are -8*-3

4) plug these factors in the orginal equation

4x(squared)-8x-3x+6

5) factorise... 4x(squared)-8x=====> 4x(x-2)
                   -3x+6============>-3(x-2)

6) collect terms... (x-2)(4x-3)


Hope u understood :) 
Logged
If i fall along the way pick me up and dust me off...and if i get too tired to make it..be my breath so i can walk!!

Offline Diablo

  • SF Citizen
  • ***
  • Posts: 146
  • Reputation: 101
Re: Factorization
« Reply #2 on: November 22, 2009, 06:09:38 pm »
2na ba3ed I solve it using this method  :-\ But I feel like it's really slow and stuff, isn't there any "shortcut" to these kind of polynomials besides using the calculator  :D

Bes shokran AS Girl :)
Logged

Offline AS girl

  • SF Master
  • ******
  • Posts: 1589
  • Reputation: 13769
  • Gender: Female
Re: Factorization
« Reply #3 on: November 22, 2009, 06:17:26 pm »
Quote from: Diablo on November 22, 2009, 06:09:38 pm
2na ba3ed I solve it using this method  :-\ But I feel like it's really slow and stuff, isn't there any "shortcut" to these kind of polynomials besides using the calculator  :D

Bes shokran AS Girl :)

7a'9reen l 6aybeen ;) By the way this is the easiest way...by practising it becomes easier...so 7awly to solve as much as u can...

there's another way..trial and improvement,,,wastes even more time than this way :P
Logged
If i fall along the way pick me up and dust me off...and if i get too tired to make it..be my breath so i can walk!!

Offline Diablo

  • SF Citizen
  • ***
  • Posts: 146
  • Reputation: 101
Re: Factorization
« Reply #4 on: November 24, 2009, 02:27:29 pm »
Yeah, I agree.

By the way it's 7awl (i'm a guy XD)
Logged

Offline ~~~~shreyapril~~~~

  • SF Master
  • ******
  • Posts: 2606
  • Reputation: 2640
  • Gender: Male
  • "Prototype"
Re: Factorization
« Reply #5 on: November 30, 2009, 03:39:42 pm »
correct and... By the way diabo ur name itself tells u a guy no girl can keep such name :P
Logged
Friendship is like peeing on yourself. Everyone can see it but only you get the warm feeling that it gives :D :P :)
Pages: [1]   Go Up
« previous next »