Mikeyy1992
Which factor can you cancel from the numerator and denominator to simplify:
[Hint: (a−x) = − (x − a)]



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Mikeyy1992
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\[\frac{ 8  2x }{ 3x 12 }\]

Mikeyy1992
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2
 ?
3

Mikeyy1992
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If you cancel A out.

SnuggieLad
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Well I presume they are explaining it like you would destribute the negative in front of the first part of the problem through it.

SnuggieLad
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the hint part

Mikeyy1992
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I have no knowledge of how to do this.

SnuggieLad
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...I did this last year...DARN MY DUMPING OF KNOWLEDGE!

SnuggieLad
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@Mertsj I hate to drag you here...

SnuggieLad
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If I am not mistaken I think you would cancel the 2x out but dont take my word for it

Mertsj
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dw:1373161125061:dw

Mikeyy1992
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The choices are:
2/3
3/2
x  4
x + 4
I don't understand what he wrote..

SnuggieLad
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Work the last part out

SnuggieLad
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I guess

Mikeyy1992
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 2/3 ? x  4 ?

Mikeyy1992
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I really don't understand ;(

Mertsj
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What part don't you understand? The part where I factored the numerator or the factorization of the denominator?

Mikeyy1992
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I don't understand the whole thing.

Mertsj
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Take the denominator which is 3x12 and factor out a 3 and post what you get.

Mikeyy1992
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x  4?

Mertsj
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NO!! When you write the factors of something, they must multiply back to the original expression.

Mertsj
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3x12=3(x4)

Mertsj
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Now take 82x and factor out 2 and post the result.

Mikeyy1992
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2(x  4) ?

Mertsj
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Now write the entire fraction with the numerator and denominator in their proper places and factored.

Mikeyy1992
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2(x  4)
 ?
3(x  4)

Mertsj
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Do the numerator and denominator have any factor that is the same?

Mikeyy1992
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x  4 ?

Mertsj
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So what could you cancel?

Mikeyy1992
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Cancel out x  4?

Mertsj
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What question are you trying to answer?

Mikeyy1992
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Which factor can you cancel from the numerator and denominator to simplify?

Mertsj
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And the answer is?????

Mikeyy1992
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x  4?

Mertsj
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Very good.