What is negative 1 times negative 14?




1 times 14 is 14, but what is the answer if both 1 and 14 are negative numbers? Here we will determine if the answer to negative 1 times negative 14 is positive 14 or negative 14.

There are many different ways to explain and determine if the answer to negative 1 times negative 14 is -14 or +14 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 -14 is the correct answer using basic algebra.

We will test if -14 is correct by setting up the equation negative 1 times negative 14 equals negative 14, and then simplifying the equation to see if it is true.

(-1) (-14) = (-14)

Divide both sides of the equation by (-14) :

   
(-1) (-14)
 
   
(-14)
 =
   
(-14)
 
   
(-14)

The numerator and denominator on the left side both have (-14) which even each other out and can be removed:

  (-1) =
   
(-14)
 
   
(-14)

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

  (-1) =
   
(14)
 
   
(14)

A numerator of 14 and denominator of 14 on the right side is the same as 14 divided by 14 which is 1. Now we end up with this untrue equation:

(-1) = (1)

-1 is NOT equal to 1, thus we have proven that negative 1 times negative 14 is not equal to -14. The answer must therefore be 14:

-1 x -14 = 14


The above applies to all math problems where you multiply two negative numbers. Multiplying two negative numbers such as negative 1 times negative 14 will always have a positive answer.

Negative Times Negative Calculator
Here you can multiply another two negative numbers together.

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What is negative 1 times negative 15?
Here is the next problem on our list that we have explained and calculated.


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