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# Factoring a Difference of Squares - #whoskeepingcount

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Factor the expression given below. Write each factor as a polynomial in descending order.

100w^2 x^2 - 36y^2 z^2

So far i know for the 100 i have to split it by 10 but beyond that i dont have much of a clue...

Sep 26, 2019

#1
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Factor the expression given below.
Write each factor as a polynomial in descending order.

$$100w^2 x^2 - 36y^2 z^2$$

$$\begin{array}{|rcll|} \hline && 100w^2 x^2 - 36y^2 z^2 \\ &=& \left(10w x - 6y z\right) \left(10w x + 6y z\right) \\ \hline \end{array}$$ Sep 26, 2019
#2
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AH!, i see...

Thank you  Heureka, for giving me more understanding on this quesion/problem   CreatorRozen  Sep 26, 2019
#3
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What does #Whoskeepingcount mean?????

Also this problem is a special case

x2 - y2 = (x - y) * (x + y)

CalculatorUser  Sep 26, 2019
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Personally i dont know, its just a Hashtag of the month, soon i might ask the community for a new hashtag to place over #whoskeepingcount

sorry for any confusion CalculatorUser

CreatorRozen  Sep 27, 2019