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Re: Can you solve this?

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CfJr is online. CfJr
Joined: 28 Apr 2011
Total Posts: 33139
12 Oct 2012 04:27 PM
x²+8x+12

Show ur work.
It b factorising btw.
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DownloadEX is not online. DownloadEX
Joined: 20 Jul 2011
Total Posts: 26565
12 Oct 2012 04:29 PM
524

im just guessing because i dont think on the weekends
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CfJr is online. CfJr
Joined: 28 Apr 2011
Total Posts: 33139
12 Oct 2012 04:31 PM
I gave u time.

x²+8x+12

x---->12} + 6x
+---->8} + 2x

x²+6x+2x+12
x(x+6)+2(x+6)

= (x+2) (x+6)

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NilPirate is not online. NilPirate
Joined: 31 Jul 2010
Total Posts: 3077
12 Oct 2012 04:31 PM
x^2+8x+12 = 0

Let's break it up. Numbers must add to 8, and multiply to 12...
6 and 2.

(x+6)(x+2) = 0
Assume one is equal to 0 to get result.

x + 6 = 0
x + 2 = 0

x = -6, -2

There's your answer.
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CfJr is online. CfJr
Joined: 28 Apr 2011
Total Posts: 33139
12 Oct 2012 04:32 PM
Nope @ Nil
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NilPirate is not online. NilPirate
Joined: 31 Jul 2010
Total Posts: 3077
12 Oct 2012 04:35 PM
x²+8x+12=0

-2^2 + 8*-2 + 12 = 0
4 -16 + 12 = 0
-12 + 12 = 0
0 = 0

I can do this all day, son.

-6^2 + 8*-6 + 12 = 0
36 - 48 + 12 = 0
-12 + 12 = 0
0 = 0
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CfJr is online. CfJr
Joined: 28 Apr 2011
Total Posts: 33139
12 Oct 2012 04:35 PM
You're just making up sums bro ._.
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NilPirate is not online. NilPirate
Joined: 31 Jul 2010
Total Posts: 3077
12 Oct 2012 04:36 PM
I literally just plugged it in. If it ends up as true, that means you have the right numbers for x. Have you even done factoring before?
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Masterlet is not online. Masterlet
Joined: 30 Jun 2011
Total Posts: 648
12 Oct 2012 04:40 PM
I should learn this because I'm in 6th grade. :P
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XC6 is not online. XC6
Joined: 28 Jun 2012
Total Posts: 9179
12 Oct 2012 04:40 PM
Can I solve this?

Should've asked me a year ago. I've done factorising and I've forgotten (it's entirely useless).
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jedi8527 is not online. jedi8527
Joined: 02 Jul 2009
Total Posts: 5145
12 Oct 2012 04:40 PM
The simplified equation?
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coolsamie2 is not online. coolsamie2
Joined: 13 Aug 2009
Total Posts: 18695
12 Oct 2012 04:42 PM
mahts

boring
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zgirl341 is not online. zgirl341
Joined: 26 Apr 2009
Total Posts: 9122
12 Oct 2012 04:44 PM
what number is x

sorry i hate math and i don't pay attention
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Masterlet is not online. Masterlet
Joined: 30 Jun 2011
Total Posts: 648
12 Oct 2012 04:46 PM
I will probably do it.
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Masterlet is not online. Masterlet
Joined: 30 Jun 2011
Total Posts: 648
12 Oct 2012 05:05 PM
@CfJr I will pm you the answer which is probably wrong because a person wanted to know the answer and the person that wanted to know the answer was... ZGIRL341!!!
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