Division by zero is an operation for which you cannot find an answer, so it is disallowed.
But no value would work for x because 0 times any number is 0. So division by zero doesn't work. In mathematics, division by zero is divisionwhere the divisor (denominator) is zero. Such a division can be formally expressed as a/0 where a is the dividend (numerator). ... Since any number multiplied by zero is zero, the expression 0/0 is also undefined;