Question

factorize the following it's urgent ​

Answer 1

Answer:

(2x-7) (2x+3)

Step-by-step explanation:

${4x}^{2} - 8x - 21$

$= {4x}^{2} - 14x + 6x - 21$

$= 2x(2x - 7) + 3(2x - 7)$

= (2x-7) (2x+3) (Ans)

Answer 2

$4 {x}^{2} - 8x - 21 \\ 4 {x}^{2} - 14x + 6x - 21 \\ 2x(2x - 7) + 3(2x - 7) \\ (2x + 3)(2x - 7)$

good luck ☺️☺️