Question

factorise
$3 {x }^{2} - x - 4$
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Answer 1

Answer:-❣❣↙️↙️

$3 {x}^{2} - x - 4 \\ 3 {x}^{2} + 3x - 4x - 4 \\ 3x(x + 1) - 4(x + 1) \\ (x + 1)(3x - 4) \\ x = - 1 \: and \: x = \frac{4}{3}$

HOPE IT HELPS YOU✔✔❇❇✌✌

Answer 2

Answer:

$3 {x}^{2} - x - 4 \\ 3x {}^{2} - 3x - 4x - 4 \\ 3x(x - 1) - 4(x - 1) \\ (x - 1) \: and \: (3x - 4) \\ x = 1 \: and \: x = \frac{4}{3}$

HOPE IT HELPS YOU