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Kamikaze · Answer 1 · 2019-08-27T06:44:56+0000

The correct option is (D) (4x+1)(4x+1)

Step-by-step explanation:
The easy way to solve such questions is to add all the boxes:

$(4x^2 * 4x^2) + (4x + 4x) + 1 \\ 16x^2 + 8x + 1 \\ Now 16x^2 + 4x + 4x + 1 \\ 4x(4x+1) + 1(4x+1) \\ (4x+1)(4x+1)$

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