idk191
idk191
02-07-2017
Mathematics
contestada
are these expressions equivalent??if so how???
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AdityaP
AdityaP
02-07-2017
No they are not because if you distribute the (invisible) -1 the equations are not equal. ;)
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syed786
syed786
02-07-2017
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 (-)
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