Помогите мне пожалуйста решить уравнения.

 

1) 1,5х(х+4)-х(7-0,5х)=0,5(10-2х)

 

2) ((3х+2)^2 / 11) - ((х+5)/4)=х^2

 

3) (( 2-х )^2 /3) - 2х = ((7+2х)^2 /5)

 

 

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