Factrise (x-1)whole square -(x-2)whole square – InterviewSolution

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1.	Factrise (x-1)whole square -(x-2)whole square
Answer» 2x - 3Step-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

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