Question

Factorize :
$3x ^{2} - x - 4$
Please solve it.
Good morning friends.​

Answer 1

$\tt {\underline{ \underline{ \purple{✠Answer:-}}}}$

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

$= \tt{ {3x}^{2} - (4 - 3)x - 4 }$

$= \tt{3 {x}^{2} - 4x + 3x - 4}$

$= \tt{x(3x - 4) + 1(3x - 4)}$

$= \bf{(3x - 4)(x + 1)}$