SOLUTION: How do you factor this expression: z^4

SOLUTION: How do you factor this expression: z^4 - w^2 +w -z^2

Question 888158: How do you factor this expression: z^4 - w^2 +w -z^2
Answer by Edwin McCravy(20059) (Show Source): You can put this solution on YOUR website!



Reverse the last two terms to get them in the same
"alphabetical" order as the first two terms



Factor 1 out of the first two terms.
Factor -1 out of the last two terms:



Factor the expression in the first parentheses as
the difference of two squares: 



Factor out common factor 



Remove the inner parentheses by distributing the 1



Edwin

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