Answer :

The division is as follows:



Here when 3n is multiplied by -10n we get -30n2 as the result.


Here the dividend is negative so the quotient has to be negative to get remainder zero.


In division the sign of the product [divisor × quotient] is always inverted to get the final result.


So the sign of product should always be opposite to that of the dividend.


So -30n2 becomes perfectly divisible by 3n and hence the quotient is -10n and remainder is 0.


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