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Are these expressions equivalent??if so how???
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Are these expressions equivalent??if so how???

Are these expressions equivalent??if so how???-example-1
User Benstpierre
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2 Answers

2 votes
Yes this is equivalent


Because brackets are useless in this case,,, beackets will be consider if in question uses other symbol in place of minus (-)

User Nebulae
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8.5k points
2 votes
No they are not because if you distribute the (invisible) -1 the equations are not equal. ;)
User Itsme
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