SOLUTION: what is the factor of W^2-49z^2

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Question 636587: what is the factor of W^2-49z^2
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

W^2-49z^2 = (W - 7z)(W + 7z)

Check factoring using FOIL

F	First terms

O	Outside terms

I	Inside terms

L	Last terms