( ( 2 a x 2 ) 2 : ( 5 2 a x 2 ) 3 5 · ( a 2 x ) 3 : ( a 5 x ) ) 2 : ( x 2 ) 3 + 50 x ( a 5 ) 2 =

= ( 4 a 2 x 4 : ( 5 2 a x 2 ) + 3 5 a 6 x 3 : ( a 5 x ) ) 2 : ( x 2 ) 3 + 50 x · a 2 25 =

= ( 4 a 2 x 4 · 2 5 a x 2 3 5 a 6 x 3 · 1 a 5 x ) 2 : ( x 2 ) 3 + 2 x a 2 =

= ( 8 5 a x 2 3 5 a x 2 ) 2 : ( x 2 ) 3 + 2 x a 2 =

= ( a x 2 ) 2 : ( x 2 ) 3 + 2 x a 2 =

= a 2 x 4 · 8 x 3 + 2 x a 2 =

= 8 x a 2 + 2 x a 2 = 6 x a 2