Math doesn't work like that. You can't add something that is being divided and cancel it.kylef wrote:
10x - 155(2x-3)
______
4x(squared)-9
_______ = 0
4x2-9
###
10x - 15 = -4x2 + 9
Last edited by nukchebi0 (2008-05-08 13:06:35)
I was trying to say it to him but he was "busy".nukchebi0 wrote:
Math doesn't work like that. You can't add something that is being divided and cancel it.kylef wrote:
10x - 155(2x-3)
______
4x(squared)-9
_______ = 0
4x2-9
###
10x - 15 = -4x2 + 9
5(2x-3)
---------- = 0
4x^2-9
10x-15
--------- =0
4x^2-9
10x-15=4x^2-9
4x^2-10x=-6
x(4x-10)=-6
---------- = 0
4x^2-9
10x-15
--------- =0
4x^2-9
10x-15=4x^2-9
4x^2-10x=-6
x(4x-10)=-6
Last edited by james@alienware (2008-05-08 13:23:20)
Jesus, I have no idea what you guys are talking about. Then again.. I did get a 4% in algebra.
I don't mean to derail the thread... I just feel like such an ass cause you people
I don't mean to derail the thread... I just feel like such an ass cause you people
this is basic algebra buddy.RoosterCantrell wrote:
Jesus, I have no idea what you guys are talking about. Then again.. I did get a 4% in algebra.
I don't mean to derail the thread... I just feel like such an ass cause you people
I still don't get it
You guys make it seem even worse.
Oh well, I failed maths today anyway, we got a higher question in a SG test.
You guys make it seem even worse.
Oh well, I failed maths today anyway, we got a higher question in a SG test.
And yet so many people are getting it wrong...S.Lythberg wrote:
this is basic algebra buddy.RoosterCantrell wrote:
Jesus, I have no idea what you guys are talking about. Then again.. I did get a 4% in algebra.
I don't mean to derail the thread... I just feel like such an ass cause you people
Am I feeling a "this is what you did incorrectly" to those other people? I believe all you had to do was rationalize it, as Funky did not include a " = 0" in the equation given.
Last edited by DesertFox- (2008-05-08 14:39:11)
There was no = 0 in the questionDesertFox- wrote:
And yet so many people are getting it wrong...S.Lythberg wrote:
this is basic algebra buddy.RoosterCantrell wrote:
Jesus, I have no idea what you guys are talking about. Then again.. I did get a 4% in algebra.
I don't mean to derail the thread... I just feel like such an ass cause you people
Am I feeling a "this is what you did incorrectly" to those other people? I believe all you had to do was rationalize it, as Funky did not include a " = 0" in the equatinon given.
[-DER-]Omega wrote:
Uhm, desertfox has it right people.DesertFox- wrote:
Just to make sure you have:Funky_Finny wrote:
5(2x-3)
______
4x(squared)-9
So that's 5 brackets 2 ex minus 3 over 4 ex squared minus nine.
I don't need the answer only, how you did it too please.
karma for good answers nd thanksbye.
5(2x-3)
4x2-9 correct?
Well if you factor that out, you get:
5(2x-3)
(2x-3)(2x+3)
Cancel, the (2x-3) and get:
5
(2x+3)
I'm not sure what you wanted us to do, but I hope that helped.
0 * (4x^2-9) = 4x^2-9 ? wut?james@alienware wrote:
5(2x-3)
---------- = 0
4x^2-9
10x-15
--------- =0
4x^2-9
10x-15=4x^2-9
4x^2-10x=-6
x(4x-10)=-6
DesertFox solved this already.
well, yours was right.DesertFox- wrote:
And yet so many people are getting it wrong...S.Lythberg wrote:
this is basic algebra buddy.RoosterCantrell wrote:
Jesus, I have no idea what you guys are talking about. Then again.. I did get a 4% in algebra.
I don't mean to derail the thread... I just feel like such an ass cause you people
Am I feeling a "this is what you did incorrectly" to those other people? I believe all you had to do was rationalize it, as Funky did not include a " = 0" in the equation given.
And there is not a possible = 0 solution, so they're all wrong any way