Question

Factorize the adjacent sum 16x^4-1

Answer 1

Simplifying
16x4 + -1

Reorder the terms:
-1 + 16x4

Factor a difference between two squares.
(1 + 4x2)(-1 + 4x2)

Factor a difference between two squares.
(1 + 4x2)((1 + 2x)(-1 + 2x))

Final result:
(1 + 4x2)(1 + 2x)(-1 + 2x)

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