What is negative 9 times negative 59? (-9 x -59)

What is negative 9 times negative 59?

9 times 59 is 531, but what is the answer if both 9 and 59 are negative numbers? Here we will determine if the answer to negative 9 times negative 59 is positive 531 or negative 531.

There are many different ways to explain and determine if the answer to negative 9 times negative 59 is -531 or +531 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 -531 is the correct answer using basic algebra.

We will test if -531 is correct by setting up the equation negative 9 times negative 59 equals negative 531, and then simplifying the equation to see if it is true.

(-9) (-59) = (-531)

Divide both sides of the equation by (-59) :

		(-9) (-59)
		(-59)

		(-531)
		(-59)

The numerator and denominator on the left side both have (-59) which even each other out and can be removed:

(-9) =

		(-531)
		(-59)

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

(-9) =

		(531)
		(59)

A numerator of 531 and denominator of 59 on the right side is the same as 531 divided by 59 which is 9. Now we end up with this untrue equation:

(-9) = (9)

-9 is NOT equal to 9, thus we have proven that negative 9 times negative 59 is not equal to -531. The answer must therefore be 531:

-9 x -59 = 531

The above applies to all math problems where you multiply two negative numbers. Multiplying two negative numbers such as negative 9 times negative 59 will always have a positive answer.

Negative Times Negative Calculator
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