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factorize completely 12x 2 x 6

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factorize completely: 12x^2 - x -6

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Answer to a math question factorize completely: 12x^2 - x -6

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$12{x}^{2}+8x-9x-6$

$4x \times \left( 3x+2 \right)-9x-6$

$4x \times \left( 3x+2 \right)-3\left( 3x+2 \right)$

$\left( 3x+2 \right) \times \left( 4x-3 \right)$

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