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2/22/2016 10:18:11 PM
60
x^3 - 4x^2 + 6x - 24 = 0
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4,+6i,-6i
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I'm taking algebra but not at cubic equations yet
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Option for "currently in Algebra"?
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3 AntwortenWHAT'S THE VALUE OF X?
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I'm not that far in algebra but even I could solve this easily if I had some paper and wasn't tired atm
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Wumbology is how I solved this You know, he wumbo, she wumbo, it's a simple process
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1 AntwortenI could do this. I really could. But I don't wanna.
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Bearbeitet von Toffoo: 2/24/2016 1:06:21 AMI'm learning this in algebra, currently... But I'm too stupid to figure this out
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+i2.44 -i2.44
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4 is only one answer
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2 AntwortenI literally just leaned how took this today loo
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Well since 4^3 = 4*4^2 and 6(4)=24 the x must be 4 if the equation equals 0
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I haven't learned how to do this advanced of an algebra equation yet, I should learn it in the next month or so.[spoiler]im in grade 9[/spoiler]
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1 AntwortenBearbeitet von Dabest: 2/23/2016 1:13:44 PMThere are 3 answers as it is a 3rd degree polynomial, and you can use grouping he made it very simple for us original equation=0 X^2(x-4)+6(x-4)=0 (X^2+6)(x-4)=0 So x-4=0 and with simple algebra, x=4. But that's only one answer. You still have x^2+6 to deal with. X^2+6=0 X^2=-6 Square root both sides, and add a principle +\- x= +\- i radical 6 Sorry no square root sign and can't make the fancy looking i which means imaginary and is equal to the square root of negative one. There are two answers there because you can have the -i radical 6 and the +i radical 6. So your final answers are: 4, i radical 6, -i radical 6 If you need to check the roots with Descartes you will get one real root and two imaginary (the answers with i)
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3 AntwortenWhat does x^3 mean?
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4 and +/- [sqaure root of] 6
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[quote]Truth[/quote][spoiler]X=4[/spoiler]
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Bearbeitet von hmzr96: 2/23/2016 4:26:00 PM
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I got 4 from factoring?
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1 Antwortenx = 4 x = -i[square root 6] x = i[square root 6]
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B-but there's multiple answers...
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[i]* Loads TX-130 Saber-Tank lazer round*[/i] Man...I just woke up
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Bearbeitet von Salt: 2/23/2016 12:06:33 PMSo I have to find what x equals, since you already solved the equation? Sweet, this will be fun W E L L fuc[u]k[/u] I couldn't solve it
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Gimme some paper!
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6 AntwortenBearbeitet von shdhissjdnssodjn: 2/23/2016 1:13:41 AMx^3-4x^2+6x-24=0 x^2(x-4) 6(x-4)=0 (x-4)(x^2+6) x=4 x^2=-6 x= i(square root 6) x= -i(square root 6) This is simple math...
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I slept through algebra.
