Question

factrise (x-1)whole square -(x-2)whole square ​

Answer 1

Answer:

2x - 3

Step-by-step explanation:

  (x - 1)² - (x - 2)²

= (x - 1 + x - 2) (x - 1 - x + 2)                    { a² - b² = (a+b)(a-b) }

= (2x - 3) ( 1 )

= 2x - 3