Question

8(3x-2y) ^2-6x+4y-1 factorise it.

Answer 1

Step-by-step explanation:

8(3x-2y)^2-2(3x-2y)-1

8(3x-2y)^2-2(3x-2y)-1let (3x-2y)be a

8(3x-2y)^2-2(3x-2y)-1let (3x-2y)be a8a^2-2a-1

8a^2-4a+2a-1

4a(2a-1)+1(2a-1)

(4a+1)(2a-1)

{4(3x-2y)+1}{2(3x-2y)-1}

(12x-8y+1)(6x-4y-1)