10 times 23 is 230, but what is the answer if both 10 and 23 are negative numbers? Here we will determine if the answer to negative 10 times negative 23 is positive 230 or negative 230.
There are many different ways to explain and determine if the answer to negative 10 times negative 23 is -230 or +230 using mathematical terms such as additive inverse and mathematical laws like the Distribute Law.
We will take a different approach - process of elimination: We will simply test if -230 is the correct answer using basic algebra.
We will test if -230 is correct by setting up the equation negative 10 times negative 23 equals negative 230, and then simplifying the equation to see if it is true.
(-10) (-23) = (-230)
Divide both sides of the equation by (-23) :
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| = |
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The numerator and denominator on the left side both have (-23) which even each other out and can be removed:
| (-10) = |
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The numerator and denominator on the right side both have a minus sign (-) which even each other out and can be removed:
| (-10) = |
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A numerator of 230 and denominator of 23 on the right side is the same as 230 divided by 23 which is 10. Now we end up with this untrue equation:
(-10) = (10)
-10 is NOT equal to 10, thus we have proven that negative 10 times negative 23 is not equal to -230. The answer must therefore be 230:
-10 x -23 = 230
The above applies to all math problems where you multiply two negative numbers. Multiplying two negative numbers such as negative 10 times negative 23 will always have a positive answer.
Negative Times Negative Calculator
Here you can multiply another two negative numbers together.
What is negative 10 times negative 24?
Here is the next problem on our list that we have explained and calculated.
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