What is negative 7 times negative 46?




7 times 46 is 322, but what is the answer if both 7 and 46 are negative numbers? Here we will determine if the answer to negative 7 times negative 46 is positive 322 or negative 322.

There are many different ways to explain and determine if the answer to negative 7 times negative 46 is -322 or +322 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 -322 is the correct answer using basic algebra.

We will test if -322 is correct by setting up the equation negative 7 times negative 46 equals negative 322, and then simplifying the equation to see if it is true.

(-7) (-46) = (-322)

Divide both sides of the equation by (-46) :

   
(-7) (-46)
 
   
(-46)
 =
   
(-322)
 
   
(-46)

The numerator and denominator on the left side both have (-46) which even each other out and can be removed:

  (-7) =
   
(-322)
 
   
(-46)

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

  (-7) =
   
(322)
 
   
(46)

A numerator of 322 and denominator of 46 on the right side is the same as 322 divided by 46 which is 7. Now we end up with this untrue equation:

(-7) = (7)

-7 is NOT equal to 7, thus we have proven that negative 7 times negative 46 is not equal to -322. The answer must therefore be 322:

-7 x -46 = 322


The above applies to all math problems where you multiply two negative numbers. Multiplying two negative numbers such as negative 7 times negative 46 will always have a positive answer.

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What is negative 7 times negative 47?
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