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Why multiplication of negative numbers equals positive?
When you multiply any number by a negative number you reverse its sign. So positive numbers become negative, and negative numbers become positive. That is the meaning of negative multiplication; it is reversal. This is similar to the way that adding a negative number has the same effect as subtracting a positive number. Negative is the opposite of positive.
How do you subtract integers with the same signs?
You take the value of the first, and take it away from the second, and depending on the signs that are similar (positive/negative) they can cancel and override each other.
Where could you find negative numbers?
If an altitude above sea level is positive, then an altitude below sea level is negative.If having money is positive, having a debt is negative.If gaining money is positive, losing money is negative (a negative gain).If an increase in speed is a positive acceleration, a decrease in speed is a negative acceleration.Any other similar case, where you define one thing as positive, and its opposite as negative.
When Subtracting a positive integer from a negative integer is similar to what?
adding a negative
What are similar words to positive numbers?
Absolute values of non-zero numbers. 5+sqrt(3) is a positive number, so your similar phrase must allow for that
