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  LiveWire / Teen Forums / School & Homework Connection / Viewing Topic

another math question
factoring
Replies: 3Last Post July 6 4:59pm by LiveForeverDieTonite
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( youngage )


Quality Control Engineer
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so i have to factor these... please help... little reaview....

a) x^3 - x^2 - 16x + 16

b)2x^4 + 3x^3 - 32x^2 - 48x

thanks.... more to come

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4:48 pm on July 6, 2009 | Joined: Oct. 2007 | Days Active: 46
Join to learn more about youngage Ontario, Canada | Straight Male | Posts: 393 | Points: 797
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blitzerdog


Omnipotent One
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A) Factor by grouping

x2(x-1)-16(x+1)
(x2-16)(x-1)(x+1)
(x+4)(x-4)(x-1)(x+1)

B) x3(2x+3)-8x(4x-8)
(x3-8x)(2x+3)4(x-2)


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4:51 pm on July 6, 2009 | Joined: Feb. 2007 | Days Active: 786
Join to learn more about blitzerdog California, United States | Straight Male | Posts: 8,892 | Points: 17,689
blitzerdog


Omnipotent One
Reply
B was hard to do in my head..I could be wrong because its hard to see in that format of writing on livewire.



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4:51 pm on July 6, 2009 | Joined: Feb. 2007 | Days Active: 786
Join to learn more about blitzerdog California, United States | Straight Male | Posts: 8,892 | Points: 17,689
LiveForeverDieTonite


Connoisseur
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a) (x^2-16)(x-1)(x+1)

b) x(x^2+16)(2x+3)(2x-3)

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4:59 pm on July 6, 2009 | Joined: Feb. 2009 | Days Active: 159
Join to learn more about LiveForeverDieTonite Massachusetts, United States | Female | Posts: 4,060 | Points: 6,176
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