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2x -	2	= 1
	x

On dividing both sides by 2,

x -	1	=	1
	x		2

On cubing both sides,

	x -	1		=	1
		x			8

⇒ x³ -	1	- 1		x -	1		=	1
	x³				x			8

⇒ x³ -	1	- 3 ×	1	=	1
	x³		2		8

⇒ x³ -	1	=	3	+	1
	x³		2		8

⇒ x³ -	1	=	12 + 1	=	13
	x³		8		8

If 2x -	2	= 1(x ≠ 0) then the value of		x³ -	1		is
	x				x³