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Answer :

Option C is correct

Let us see the verification;

[tex]6x {}^{3} - 15x {}^{2} - 9x \\ 3x(2x {}^{2} - 5x - 3) \\ 3x( 2x {}^{2} + x - 6x - 3) \\ 3x(x(2x + 1) - 3(2x - 1) \\ (2x + 1)[/tex]

Hence, Proved ✔︎

Answer:

the correct answer is D on edge 2020 for me.

Step-by-step explanation:

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