29 times 2 is 58, but what is the answer if both 29 and 2 are negative numbers? Here we will determine if the answer to negative 29 times negative 2 is positive 58 or negative 58.
There are many different ways to explain and determine if the answer to negative 29 times negative 2 is -58 or +58 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 -58 is the correct answer using basic algebra.
We will test if -58 is correct by setting up the equation negative 29 times negative 2 equals negative 58, and then simplifying the equation to see if it is true.
(-29) (-2) = (-58)
Divide both sides of the equation by (-2) :
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| = |
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The numerator and denominator on the left side both have (-2) which even each other out and can be removed:
| (-29) = |
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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:
| (-29) = |
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A numerator of 58 and denominator of 2 on the right side is the same as 58 divided by 2 which is 29. Now we end up with this untrue equation:
(-29) = (29)
-29 is NOT equal to 29, thus we have proven that negative 29 times negative 2 is not equal to -58. The answer must therefore be 58:
-29 x -2 = 58
The above applies to all math problems where you multiply two negative numbers. Multiplying two negative numbers such as negative 29 times negative 2 will always have a positive answer.
Negative Times Negative Calculator
Here you can multiply another two negative numbers together.
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