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Janelle expanded the Expression as shown below what errors did she make select 3 options

Janelle expanded the Expression as shown below what errors did she make select 3 options-example-1
User Paku
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1 Answer

5 votes

Given:


-4(-3x+(2)/(7))=-12x-3(5)/(7)

Correct answer is


-4(-3x+(2)/(7))=12x-1(1)/(7)

Final options are:

The first term should be positive.

She did not distribute the -4 properly.


\text{She added }(2)/(7)\text{ to -4 instead of multiplying }(2)/(7)\text{ by -4.}

User Zanderwar
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