SOLUTION: factor 4x^2-289

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Question 820931: factor 4x^2-289
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

4x^2-289 = (2x-17)(2x+17)  Note: 17%2A17+=+289

Use FOIL to check factoring

F	First terms

O	Outside terms

I	Inside terms

L	Last terms