Write the following expression in factored form. (2x − 1)³ + (x + 5)³ (x-6) (7x² + 5x +21) O (3x + 4) (7x² + 5x +21) ○ (x − 6) (3x² – 3x +31) (3x + 4) (3x² − 3x +31)

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