Maths qns (algebra)

• StarPuppy

  4 Nov 05, 21:21

  Factorise 2x(2)-3x-5
  
  2x(squared) -3x -5
  
  so how should i do? I always bad memory when doing this sums...doing for past..god knows how long..still CMI
• anhydrouscoppersulphate

  4 Nov 05, 21:23

  ans is x=2.5 or -1
• stellazio

  4 Nov 05, 21:23

  2X^2-3X-5
  
  (2x-5)(X+1)..
• dragg

  4 Nov 05, 21:24

  i dont even understand the question.
  
  
• StarPuppy

  4 Nov 05, 21:24

  aiya...i got the answer but its always step-step method i dunno how to do...
• anhydrouscoppersulphate

  4 Nov 05, 21:25

  you can input the ques to get the ans in the calculator. but ur calculator must be Casio fx-95MS
• renorenal

  4 Nov 05, 21:26

  Sorry Star, if you were to ask me this question 7 years ago, I could have answered you perfectly... now I just feel blank
  
  Forgotten liauzz...
• stellazio

  4 Nov 05, 21:27

  cross factorize..
  
  2X -5 | -5X
  1X +1| +2X
  2X^2 -5 -3X
• renorenal

  4 Nov 05, 21:27

  Someone come out with the work-up?
• anhydrouscoppersulphate

  4 Nov 05, 21:28

  aiya this is babies' question
• renorenal

  4 Nov 05, 21:29

  Originally posted by anhydrouscoppersulphate:

  aiya this is babies' question

  Don't say like that lar... ppl dunno mar...
• StarPuppy

  4 Nov 05, 21:30

  Originally posted by renorenal:

  Don't say like that lar... ppl dunno mar...

  aiya...SGF ppl some lidat...used to it liao...
• launtpc

  4 Nov 05, 21:30

  
  
  Edit: Made by me.
• stellazio

  4 Nov 05, 21:31

  hanor hanor..not like me so helpful..
• anhydrouscoppersulphate

  4 Nov 05, 21:31

  Originally posted by launtpc:

  

  haha easy
• StarPuppy

  4 Nov 05, 21:31

  Originally posted by launtpc:

  

  thanks...got any other way....i am bad at that
• stellazio

  4 Nov 05, 21:31

  Originally posted by launtpc:

  

  wrong la..
  
  u expand your 2 bracket equations,it becomes +3X not -3X..
• launtpc

  4 Nov 05, 21:33

  Originally posted by stellazio:

  wrong la..

  Where wrong? Clever you do...
• anhydrouscoppersulphate

  4 Nov 05, 21:34

  Originally posted by launtpc:

  
  
  Edit: Made by me.

  sorry u failed ur maths
• stellazio

  4 Nov 05, 21:35

  Originally posted by launtpc:

  Where wrong? Clever you do...

  u just expand out your equation its wrong liao..i already did above..
• DrTech

  4 Nov 05, 21:37

  Originally posted by launtpc:

  Where wrong? Clever you do...

  smart la... 5x - 2x you get -3 x...
  
  
• launtpc

  4 Nov 05, 21:39

  Originally posted by anhydrouscoppersulphate:

  sorry u failed ur maths

  Wow, we have a genius in here. So no one can make mistakes.
• anhydrouscoppersulphate

  4 Nov 05, 21:39

  Originally posted by DrTech:

  smart la... 5x - 2x you get -3 x...
  
  

  WAAAAA HOW COME I DUNNO 5x - 2x is -3x. I FAILED MY MATHS...
• anhydrouscoppersulphate

  4 Nov 05, 21:40

  Originally posted by launtpc:

  Wow, we have a genius in here. So no one can make mistakes.

  simple mistakes are a no-no
• launtpc

  4 Nov 05, 21:41

  Originally posted by anhydrouscoppersulphate:

  simple mistakes are a no-no

  I bet YOUR balls (if you have one :lol that you have made a mistake before.