Question

FACTORIZE USING SUITABLE GROUPINGS :
$72x ^{2} + 42x - 49 - 84x$
​

Answer 1

Answer:

(6x-7)(12x+7)

Step-by-step explanation:

72x2 + 42x - 49 - 84x

72x2 + 42x -84x - 49

6x(12x + 7) - 7(12x + 7)

(6x-7)(12x+7) (Ans)

Answer 2

Answer:

ᴀɴsᴡᴇʀ ɪs ➪ (6x-7)(12x+7)

Step-by-step explanation:

➪72x2 +42x - 49 - 84x

➪72x2 + 42x -84x - 49

➪6x(12x+7) - 7(12x + 7)

➪(6x-7)(12x+7)