Being multiply or divide.
Then
If a number does not have a sign in front of it, then treat it as positive.
e.g.
4 x 5 = 20
-4 x 5 = -20
4 x - 5 = -20
-4 x -5 = (+)20
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divide them or multiply then put a negative because to different signs make a negative to of the same signs make a positive
Like signs give a positive answer. Unlike signs give a negative answer.
for integers with tow different signs, it will always be negative in multiplying and division. for adding and subtracting, the sign is for the bigger number.
Multiply two integers disregarding the signs. Then if the signs are the same, the answer is positive and if the signs are different, the answer is negative. Alternatively, if you are multiplying together a whole bunch of numbers, first find the product while ignoring the signs. Then count all the negative numbers. If the count is even, the answer is positive and if it is odd, the answer is negative.
It the two rational numbers have different signs, then the answer will be negative, otherwise it will be positive.