factor 5x^5+10x^2-8x

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- anonymous

factor 5x^5+10x^2-8x

- schrodinger

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- anonymous

x(5x^4+10x-8)
or
5x^2(x^3+2)-8x

- anonymous

how did you get that answer

- anonymous

for the first one
I factored out an x and see what's left
for second one I noticed that first two terms(5x^5 & 10x^2) have common factor of 5x^2

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## More answers

- anonymous

okay so i need to find a common factor first

- amistre64

yes; always check to see if there is a common you can pull out

- anonymous

so the common is 5

- amistre64

5 doesnt really go into 8 that well; so look at the 'x's and see how many you can pull out

- anonymous

the lowest x is just x so is that the lowest

- amistre64

5x^5+10x^2-8x = x(5x^4 +10x -8) thats correct

- anonymous

I am really confused. so that is completely factored

- amistre64

since this is not in a usual form that we can see; we do a trial and error method to search for other factors

- amistre64

to make this faster; we can graph this on wolframalpha.com and see where the "roots" end up.

- anonymous

I don't see anything that is a common factor of 5,10, and 8

- amistre64

http://www.wolframalpha.com/input/?i=5x^5%2B10x^2+-8x this things a nightmare alright

- anonymous

lol

- amistre64

your best bet is to take a stab at it; and if you get it wrong, just move along lol

- amistre64

do you have any answers to choose from ?

- anonymous

no I have to do it all on my own and show all my work

- anonymous

it looks to me like the answer you gave is as far as it can be factored

- amistre64

well; its as far as it can be neatly factored; so lets go with it :)

- amistre64

check ot for typos tho; make sure the question posted is the same as the one you want to find..... cause typos happen

- amistre64

teh happen to me alot lol

- anonymous

I hate this stuff

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