Question

(8) Factorise: 12(x+y)2-35-(x+y) *
plzz say the Ans plzz​

Answer 1

Answer:

let (x+y)=z

=> 12z²-z-35

=> 12z² -21z + 20z - 35

=> 3z(4z - 7) + 5(4z - 7)

=> (4z-7)(3z+5)

now substitute the value of z

=> [4(x+y) - 7][3(x+y) + 5]