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What are the instructions for the posted problem?
its factoring diamond
There's an x missing here, I think --> 6x^2+5-4= --> after the "5." I don't know the diamond technique. I can factor by grouping.
yeah factor by grouping :)
6x^2 +5x -4 What are two numbers that multiply to -24 AND add to 5 ?
i think e. e
ithink anyways i have the other side of it.. its (2x-1)( )
Okay. What number times -1 will multiply to -4. -1*? = - 4 ? Help me out a little bit, and I can help you finish this. Okay?
-1 * 1 = -1 so that is not it.
1 can multiply -4
no wait wat?? i need to find a number that can multiply by 4?
Yes, so -1 times 4 = -4 which means 6x^2 +5x -4 = (2x-1)( ? +4 ) We're almost there. (2x) times what equals 6 x^2 ?
so its 3x-4?
Let's see if it works: 6x^2 +5x -4 = (2x-1)( 3x +4 ) ?? @chubbytots What do you think?
yep its right actually im answering a puzzle e. e
that's right @Directrix
>>so its 3x-4? I did not get that.
for da first group and the second group is?
(2x-1)*(3x-4) multiplies to 6x^2 -11x + 4 which is not the given problem.
Okay, let's try that.
6x^2 -11x + 4=(2x-1)(3x+4)
(2x-1)*(3x+4) = 6x^2 -3x + 8x -4 = 6x^2 + 5x - 4.
thats da second question and da second question is \[3x^2-11x-20=(3x+4)( ? )\]
i mean third**
I only saw the first problem.
i need the third problem cuz this is a pzzle v. v
3x^2 -11x - 20 = (3x+4) * ( ) What times 3x is equal to 3 x^2 ?
3x^2 -11x - 20 = (3x+4) * (x )
3x times 4x = 12 x^2 -->doesn't work
is it positve 3?
3x times 3 = 9x.
Oh, you mean ( x + 3) as the second factor?
(3x+4) * (x + 3 ) = 3x^2 -11x - 20 ?? 3x^2 + 9x + 4x + 12 Nope.
We could guess forever.
xDD i think lol and another one :O
Here is where we are: 3x^2 -11x - 20 = (3x+4) * (x ) We have to get -20 for the last term. 4 times what equals - 20 ?--->
i think its x-3?
4 times - 3 is not -20.
i mean 2?
i mean 5 sorry :o
4 times 5 is close but 4 times 5 does not equal -20
i think we need to make one of them a negative right?
3x^2 -11x - 20 = (3x+4) * (x - 5 )
It's your turn to do this one. :) You come up with the factors, and I will check.
i'll be guessing dou
That's what I ended up doing because you didn't like factoring by grouping.
lol actually this s factoring by grouping.. and i need to do factor diamond
its like two steps first is factoring by grouping and factoring diamond
That diamond thing is sophisticated guessing for me.
x. x so can we do factoring by grouping?
(2x+1)*(2x+5) = 4x^2 + 12x + 5 --> This is from your guess.
It didn't work.
I'm going to group.
is it 6x10?
6x10=60 ryt and wet going to make one of them a negative?
6 + 10 is not 11
15 and -4.
x^2 + 11x - 10 = x^2 + 15x - 4x - 10
This thread is so long that I have lost the problem.
(2x + 5) * ( 3x + 2) That is my last factoring problem on this puzzle.
so its 3x+2?
6x^2 + 15x - 4x - 10 = 3x(2x + 5) - 2(2x + 5) = (2x + 5) * ( 3x - 2). Right.
owoo that was brain storm >,<
The more of this stuff you do, the better you get. Except, I seem to be getting worse.
ohh yah sure cuz when im learning this i was lazy thats why i came up here >.<
What is the next factoring problem?
how abut this? \[7x^2+13x-2=(x+2)(?)\]
xDD under the typing box thou v v v v v
actually this factoring group so on this is the new lesson on our school e. e''''
and imto lazy about it
xDD uhh nope o. o
ohh well i better rap dis up cuz im gonna go early tommorow well thanks fo the help :)
Okay. See later on here.