KE8717504
see attatched picture.
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AravindG
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waitin..
mathslover
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KE8717504 is typing a reply…
KE8717504
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|dw:1347725910297:dw|
KE8717504
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I have the find the polynomial where the x is?
KE8717504
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where the ? mark is i mean
AravindG
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first try to factorise the given plynomials
AravindG
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do cancellation wherever possible
KE8717504
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ok give me a sec to do that.
KE8717504
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so when i factored and cancelled out i am left with (x-4)(3x+7)
KE8717504
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so what do i do now?
AravindG
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divide both sides with (x-4)(3x+7)
you will get the answr
KE8717504
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@AravindG when u do that does that not cancel them out?
AravindG
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ya u will get ?= answer
KE8717504
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Can u set up what i'm suppose to do im confused?
KE8717504
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sorry lol
KE8717504
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I can solve it i just need help setting it up
KE8717504
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r u there?
KE8717504
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@ArkGoLucky
KE8717504
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Can u help me please?
KE8717504
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@tyteen4a03
KE8717504
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@Algebraic! can u help me please????
Algebraic!
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did you factor the x^2-9 ?
KE8717504
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yea
Algebraic!
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you factored everything, you cancelled everything, you're left with (x-4)(3x+7)
I think you're done... but I don't really know what instructions you were given, so...
Algebraic!
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I can check your algebra...
KE8717504
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i was just told to find the polynomial where the ? is
Algebraic!
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makes no sense without more info.
what are you trying to achieve by putting a polynomial there?
so that the whole thing equals 1 or something?
KE8717504
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yea its equal to 1..
Algebraic!
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...
Algebraic!
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ok... what's the denominator on the right hand term... it's cut off in the picture..
3x^2 +16x -.....?
KE8717504
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+21
Algebraic!
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so yeah, your new denominator is (x-4)(3x+7)... so that's what needs to go where the "?" is in order to make the whole thing 'cancel' (make the whole thing equal 1)
KE8717504
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so (x-4)(3x+7)
KE8717504
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is the answer
Algebraic!
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k
Algebraic!
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so what IS the question?
KE8717504
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To find the polynomial where the ? mark is
Algebraic!
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very funny
KE8717504
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that answer was correct
KE8717504
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can u help me on another one?