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3 times 2 6 3 times 1 3 3 times 0 0.
Negative times a postive math. 1 3 9 4 151 8000 and 0 1235 we can write the opposite of a positive number plus sign by putting negative or minus sign in front of the number and call these numbers as negative numbers. Either when you multiply a positive number times a negative number or when you multiply two negative numbers so for example you aren t quite sure what should happen if you were to multiply and im just picking two numbers where one is positive and one is negative what would happen if you were to multiply 5 times negative 3 you re not quite sure about this just yet you re also not quite sure what would happen if you multiply two negative numbers. When a number has no sign it usually means that it is positive. First to establish that a positive times a negative is negative.
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. 2 x 4 which in essence is the same as 2 2 2 2 the answer is 2 x 4 8. So for consistency the next product in the pattern must be 0 3 3.
A negative number times a positive number equals a negative number. 6 9 3. We ll prove 2 3 6. 7 4 3.
Negative times negative equals positive proof that a negative number times a negative number is a positive number using the number line and algebra. 3 7 4. 5 is really 5 and we can put around the numbers to avoid confusion. Positive numbers plus are any numbers greater than zero for example.
Once we agree that 2 3 6 via repeated addition and 3 2 6 via a belief in commutativity that negative times negative is positive is a forced logical consequence of these next two basic beliefs of arithmetic. Notice in each case as we reduce the second factor by 1 the product is being reduced by 3. A 0 0 and a b c a b a c. To get the sum of a negative and a positive number use the sign of the larger number and subtract.
If you re calculating the sum of two negative integers it looks like this. Negative times a positive number. Is the positive sign is the negative sign.
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