Question

Factorise 12 ( a - b )² - 4a ( a - b ) - a + b​

Answer 1

Step-by-step explanation:

Here,

12(a-b)²-4a(a-b)-a+b

= 12(a-b)² -4a(a-b)-(a-b)

= (a-b) {12(a-b)-4a-1}

= (a-b) {12a-12b-4a-1}

= (a-b) (8a-12b-1)