SOLUTION: How would you factor 256xto the 4th power - 1 256x4 - 1

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Question 437538: How would you factor 256xto the 4th power - 1
256x4 - 1
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(4x)^4 - 1^4

difference of squares ___ [(4x)^2 + 1^2][(4x)^2 - 1^2]

difference of squares ___ [(4x)^2 + 1^2][4x + 1][4x - 1]

(16x^2 + 1)(4x + 1)(4x - 1)