Question

factorise
$3x ^{2} - x - 4$
3x^2-x-4​

Answer 1

$3 x^{2} - x - 4$

$3x ^{2} - (4 - 3)x - 4$

$3x^{2} - 4x + 3x - 4$

$x(3x - 4) + 1(3x - 4)$

$(3x - 4)(x + 1)$

Answer 2

Answer:

Step-by-step explanation:

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