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sveticcg [70]
3 years ago
5

Six students are working to simplify the expression shown.

Mathematics
2 answers:
KatRina [158]3 years ago
7 0

Answer:

First one Equivalent but not simplified fully (Can combine the two y terms)

Second: Equivalent but not simplified fully (Can combine the two x^2 terms)

Third: Equivalent and simplified fully

Fourth: Not equivalent (y term is not correct)

Fifth: Not equivalent (x^2 term is not correct and the constant terms [ones without variables] can be combined)

Sixth: Not Equivalent (y term is not correct and the constant terms can be combined)

Step-by-step explanation:

You just need to know if two terms have the same variable they can be added or subtracted.  But if it is say x and x^2 it cannot, they need to be brought to the same power as well.  or if there is a term with xy, it can only be added and subtracted to other xy terms

kupik [55]3 years ago
4 0

Answer and Step-by-step explanation:

Since we have given that

4y-8x^2-5+14x^2+y-1

We need to classify the six expressions:

1) 4y+6x^2-6+y -  It is equivalent to the given expression but not fully simplified.

2) 5y-8x^2-6+14x^2 - equivalent to the given expression but not fully simplified.

3) 5y+6x^2-6 -  It is fully simplified.

4) 3y+6x^2+6 -  It is not equivalent to the given expression.

5) 5y-6x^2-5-1 - It is  not equivalent to the given expression.

6) 3y^2+6x^2-5-1 - It is not equivalent to the given expression.

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3 years ago
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3 years ago
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