idk191
idk191 idk191
  • 02-07-2017
  • Mathematics
contestada

are these expressions equivalent??if so how???

are these expressions equivalentif so how class=

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AdityaP
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 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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