What is negative 93 times negative 89?




93 times 89 is 8277, but what is the answer if both 93 and 89 are negative numbers? Here we will determine if the answer to negative 93 times negative 89 is positive 8277 or negative 8277.

There are many different ways to explain and determine if the answer to negative 93 times negative 89 is -8277 or +8277 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 -8277 is the correct answer using basic algebra.

We will test if -8277 is correct by setting up the equation negative 93 times negative 89 equals negative 8277, and then simplifying the equation to see if it is true.

(-93) (-89) = (-8277)

Divide both sides of the equation by (-89) :

   
(-93) (-89)
 
   
(-89)
 =
   
(-8277)
 
   
(-89)

The numerator and denominator on the left side both have (-89) which even each other out and can be removed:

  (-93) =
   
(-8277)
 
   
(-89)

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

  (-93) =
   
(8277)
 
   
(89)

A numerator of 8277 and denominator of 89 on the right side is the same as 8277 divided by 89 which is 93. Now we end up with this untrue equation:

(-93) = (93)

-93 is NOT equal to 93, thus we have proven that negative 93 times negative 89 is not equal to -8277. The answer must therefore be 8277:

-93 x -89 = 8277


The above applies to all math problems where you multiply two negative numbers. Multiplying two negative numbers such as negative 93 times negative 89 will always have a positive answer.

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What is negative 93 times negative 90?
Here is the next problem on our list that we have explained and calculated.


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