Question

12(3x-2y)²-(3x-2y)-1 factorise​
Plz answer
if 3x-2y =a
=12a2-a-1 Plz solve after this

Answer 1

Step-by-step explanation:

12a^2-4a+3a-1

4a(3a-1)+1(3a-1)

=(3a-1)(4a+1)

then a=1/3, a=-1/4

now, 3x-2y=1/3

9x-6y=1.

in this way

12x-8y=-1.

and the factor will be

= (9x-6y-1)(12x-8y+1)