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xxTIMURxx [149]
3 years ago
10

Jake says adding 0 to an addendum does not change a sum. Is he correct

Mathematics
1 answer:
siniylev [52]3 years ago
5 0
Nothing changes if you don't add anything. 

Example:

10+10=20
20+0=20
 
nothing changes.
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1 year ago
I don’t understand this one
Masja [62]

Answer:

  see below

Step-by-step explanation:

Put -1 where x is in each expression and evaluate it.

__

You will find that the expression is zero when the numerator is zero. And you will find the numerator is zero when it has a factor that is equivalent to ...

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Evaluating the first expression, we have ...

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This first expression is one you want to "check."

You can see that the reason the expression is zero is that x+1 has a sum of zero. You can look for that same sum in the other expressions. (The tricky one is the one with the factor (x -(-1)). You know, of course, that -(-1) = +1.)

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