Respuesta :

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

Explanation:
The easy way to solve such questions is to add all the boxes:

[tex](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)[/tex]

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