C4 Algebra Question Watch

TSRforum
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#1
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#1
How do you turn 2u/u-1 into 2+2/u+1? I forgot ☹️


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Zacken
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#2
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(Original post by TSRforum)
How do you turn 2u/u-1 into 2+2/u+1? I forgot ☹️


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Either by long division or adding zero creatively.
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TSRforum
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(Original post by Zacken)
Either by long division or adding zero creatively.
There's a quicker way...


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Zacken
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#4
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(Original post by TSRforum)
There's a quicker way...


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Inspection, then.
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EconEast
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I swear 2u/(u-1) never equals 2 + 2/(u+1)

just sub in 2: the first one gets 4 and the second one gets 8/3
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Zacken
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(Original post by EconEast)
I swear 2u/(u-1) never equals 2 + 2/(u+1)

just sub in 2: the first one gets 4 and the second one gets 8/3
Obvious typo, both denominators should be +-1
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EconEast
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(Original post by Zacken)
Obvious typo, both denominators should be +1
Maybe it's not a typo but a reading error and that's why OP can't do it haha
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Zacken
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#8
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(Original post by EconEast)
Maybe it's not a typo but a reading error and that's why OP can't do it haha
Fair enough. :lol:
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