What is negative 2 times negative 98?




2 times 98 is 196, but what is the answer if both 2 and 98 are negative numbers? Here we will determine if the answer to negative 2 times negative 98 is positive 196 or negative 196.

There are many different ways to explain and determine if the answer to negative 2 times negative 98 is -196 or +196 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 -196 is the correct answer using basic algebra.

We will test if -196 is correct by setting up the equation negative 2 times negative 98 equals negative 196, and then simplifying the equation to see if it is true.

(-2) (-98) = (-196)

Divide both sides of the equation by (-98) :

   
(-2) (-98)
 
   
(-98)
 =
   
(-196)
 
   
(-98)

The numerator and denominator on the left side both have (-98) which even each other out and can be removed:

  (-2) =
   
(-196)
 
   
(-98)

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

  (-2) =
   
(196)
 
   
(98)

A numerator of 196 and denominator of 98 on the right side is the same as 196 divided by 98 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 98 is not equal to -196. The answer must therefore be 196:

-2 x -98 = 196


The above applies to all math problems where you multiply two negative numbers. Multiplying two negative numbers such as negative 2 times negative 98 will always have a positive answer.

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What is negative 2 times negative 99?
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