Answer :

The division is as follows:



Here when -10a is multiplied by -4a we get 40a2 as the result.


Here the divisor 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 40a2 becomes perfectly divisible by -10a and hence the quotient is -4a and remainder is 0.


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