Question

Factorise the following.
4xy - 7y + 12x - 21​

Answer 1

Answer:

30x^2y^2

Step-by-step explanation:

4xy-7y+12x-21

= 4xy+12x-7y+21

= 16x^2y+14y

= 30x^2y^2

Answer 2

Answer:

4x-7+12x-21

Step-by-step explanation:

4x+12x-7y-21

4x(y+3)-7(y+3)

(4x-7) (y+3)