V ( 3 - 2x ) = ( V 2x ) + 1
( V ( 3 - 2x ))^2 = ( ( V 2x ) + 1 )^2
3 - 2x = 2x + 2V2x + 1
3 - 2x - 2x - 1 = 2V2x
2 - 4x = 2V2x
2( 1 - 2x ) = 2V 2x
1 - 2x = V2x
( 1 - 2x )^2 = ( V 2x )^2
1 - 4x + 4x^2 = 2x
4x^2 = 2x + 4x - 1
4x^2 = 6x - 1
Ответ 6х - 1