Amarah simplified a rational expression below. Mar Jaden, his classmate said it was
wrong. Can you explain why?
amarah is wrong because___________
wrong. Can you explain why?
amarah is wrong because___________
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The expression
counts as one factor. It's also the same for 
. Since these two factors are different, they can't be cancelled out.
Cancelling out
on both the numerator and the denominator is like cancelling out 
from 
; You will get the wrong solution.