Algebra
12 Online
OpenStudy (specek18):
PLEASE HELP!!! least common denominator for two rational expressions...
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OpenStudy (specek18):
@arabpride @animal_lover36 @AngelPSP @AllanO-the-great @alesia/bailey @arbyj @bahrom7893 @blah124 @Bossimbacon @bibby @caozeyuan @Chunkymonkay @dan815 @Godlovesme
OpenStudy (specek18):
here's a picture of the problem...please help, will give medal for correct answer
OpenStudy (specek18):
@skullpatrol please help me....do you know this?
OpenStudy (skullpatrol):
Do you have any ideas?
OpenStudy (skullpatrol):
what is the definition of a "least common denominator" @specek18 ?
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OpenStudy (specek18):
i know it's a super long process...
OpenStudy (specek18):
it is a number that will go into all
OpenStudy (arbyj):
i dont know this stuff im sorry,
OpenStudy (alesia/bailey):
umm, ive never learned this.
OpenStudy (skullpatrol):
what do you mean by " go into all " ?
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OpenStudy (specek18):
like it will go into all the parts of the problem...idk i just need the answer:(
OpenStudy (skullpatrol):
do you now how to factor the denominators?
OpenStudy (specek18):
no..
OpenStudy (skullpatrol):
$$\Huge n^2 +4n+4 =(n+2)^2$$ right?
OpenStudy (specek18):
as the final or the factored?
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OpenStudy (skullpatrol):
as a statement, do you understand it or not?
OpenStudy (specek18):
kind of...how do u get the answer from there?
OpenStudy (skullpatrol):
you must learn to factor this expression:$$\Huge n^2+7n+10$$
OpenStudy (specek18):
i know how:)
OpenStudy (specek18):
(n+n) (7+n)+10
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OpenStudy (specek18):
i think...my test is timed is all...sorry.
OpenStudy (skullpatrol):
test?
OpenStudy (specek18):
yeah...
OpenStudy (specek18):
please help:"(
OpenStudy (skullpatrol):
but that would be cheating...
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OpenStudy (specek18):
basically what this site is.
OpenStudy (skullpatrol):
factor this please $$\Huge n^2+7n+10$$
OpenStudy (specek18):
i don't got time for that. i gotta finish this thing.
OpenStudy (specek18):
and i already did earlier.
OpenStudy (skullpatrol):
it was not correct
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OpenStudy (skullpatrol):
let me show you the pattern
OpenStudy (skullpatrol):
$$\Huge n^2+7n+10$$ $$\Huge n^2+(r+s)n+rs$$
OpenStudy (skullpatrol):
so rs = 10 and r + s = 7
OpenStudy (skullpatrol):
can you tell me what r and s are @specek18 ?
OpenStudy (skullpatrol):
$$\Huge n^2+7n+10 =(n+2)(n+5) $$