Question

Factorise : 3x^2-x-4​

Answer 1

Step-by-step explanation:

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

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

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

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