Why does a negative multiplied by a negative equal a positive?

Why does a negative multiplied by a negative equal a positive?

Explanation: We know that negative times anything means that it will change the sign. Ideally, the second negative should change the sign of our original number (which is also negative). So, our original negative sign is changed into a positive sign when a negative is multiplied to it.

Can you multiply negative and positive?

There are two simple rules to remember: When you multiply a negative number by a positive number then the product is always negative. When you multiply two negative numbers or two positive numbers then the product is always positive. Now we have two negative numbers, so the result is positive.

What does a negative and a positive equal?

Rule 2: A negative number times a positive number equals a negative number. When you multiply a negative number to a positive number, your answer is a negative number. It doesn’t matter which order the positive and negative numbers are in that you are multiplying, the answer is always a negative number.

What is the answer if you multiply a negative by a positive?

Rule 2: A negative number times a positive number equals a negative number. When you multiply a negative number to a positive number, your answer is a negative number. It doesn’t matter which order the positive and negative numbers are in that you are multiplying, the answer is always a negative number. The answer is -2 x 4 = -8.

What are the rules of multiplying negatives?

The rule of how to multiply negatives is simple: For a case where a negative number is multiplied by a positive, the rule above can be restated as: take the positive number, and the negative WITHOUT the minus sign, multiply them and add the inus sign to the product. Example: multiply 5 and -3.

Why do two negatives make a positive?

Two negatives cancel out and make a positive, in maths as well as in speech. The signs add together physically. When you have two negative signs, one turns over, and they add together to make a positive. If you have a positive and a negative, there is one dash left over,…

What are the rules for adding negative and positive numbers?

Adding Positive and Negative Numbers Rule 1: Adding positive numbers to positive numbers—it’s just normal addition. Rule 2: Adding positive numbers to negative numbers—count forward the amount you’re adding. Rule 3: Adding negative numbers to positive numbers—count backwards, as if you were subtracting.