Factorise the following:
$3 x^{2} - 14 x + 8$

(3 x - 2) (x - 4)

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(x - 6) (x - 4)

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(3 x - 2) (x + 4)

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(3 x + 2) (x - 4)

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Solution

The correct option is A $(3 x - 2) (x - 4)$
$3 x^{2} - 14 x + 8$
$= 3 x^{2} - 12 x - 2 x + 8$
$= 3 x (x - 4) - 2 (x - 4)$
$= (x - 4) (3 x - 2)$

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