What is negative 2 times negative 61?




2 times 61 is 122, but what is the answer if both 2 and 61 are negative numbers? Here we will determine if the answer to negative 2 times negative 61 is positive 122 or negative 122.

There are many different ways to explain and determine if the answer to negative 2 times negative 61 is -122 or +122 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 -122 is the correct answer using basic algebra.

We will test if -122 is correct by setting up the equation negative 2 times negative 61 equals negative 122, and then simplifying the equation to see if it is true.

(-2) (-61) = (-122)

Divide both sides of the equation by (-61) :

   
(-2) (-61)
 
   
(-61)
 =
   
(-122)
 
   
(-61)

The numerator and denominator on the left side both have (-61) which even each other out and can be removed:

  (-2) =
   
(-122)
 
   
(-61)

The numerator and denominator on the right side both have a minus sign (-) which even each other out and can be removed:

  (-2) =
   
(122)
 
   
(61)

A numerator of 122 and denominator of 61 on the right side is the same as 122 divided by 61 which is 2. Now we end up with this untrue equation:

(-2) = (2)

-2 is NOT equal to 2, thus we have proven that negative 2 times negative 61 is not equal to -122. The answer must therefore be 122:

-2 x -61 = 122


The above applies to all math problems where you multiply two negative numbers. Multiplying two negative numbers such as negative 2 times negative 61 will always have a positive answer.

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What is negative 2 times negative 62?
Here is the next problem on our list that we have explained and calculated.


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