mushinni
CAN YOU HELP ME WITH THIS?
S
implify
the rational expressions. State any excluded values.
3x-6/x-2
I know it is real simple I just want to understand it so I can keep going :)
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mushinni
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I divided but it says simplify
nubeer
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hmm try taking 3 common from numerator
mushinni
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so it will x-2?
mushinni
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so it cancles out?
nubeer
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yes
mushinni
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or is it one?
mushinni
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becasue they're both negative
nubeer
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hmm well u took 3 common it would make 3 (x-2)/x-2
right?
mushinni
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right
mushinni
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so will it be just the 3?
nubeer
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yes..
mushinni
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ookey. thank you so much
nubeer
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you are most welcome :)
mushinni
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:)
mushinni
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one more question can you help me?
mushinni
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I just wnat to see if its the same concept
nubeer
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sure.. shoot !!
mushinni
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x-2/x^2+3x-10
mushinni
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thanks!
mushinni
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do I need to factor the denominator?
nubeer
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yes
mushinni
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ok let me see
nubeer
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ok i will wait..
mushinni
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( x -2)(x + 5)
mushinni
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right?
mushinni
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wait I think somethign went wrong
nubeer
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hmm looks fine to me :P
mushinni
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yup haha it was right
mushinni
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this is where I get stuck
nubeer
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:P it is.. keep on going.
nubeer
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hmm ok see u have x-2 in numerator n denominator..? so u can cancel those out same as in previous question
mushinni
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ohh!!! I think it is
x+5
mushinni
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becasue the x-2 cancels out?
mushinni
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or is it 1/x+5)
nubeer
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it is the seconnd one
mushinni
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oh good! thank you!