02/14/13
In order of operation, does combining like terms always come after reordering?
I understand that you work from left to right
I understand that first you solve what is inside ( ) then inside brackets and I understand that fractions are considered as symbols and they come...
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10/23/12
why cant you divide by zero, wont it just be zero?
my teacher asked this but i dont know why you cant divide by zero
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