Помогите пожалуйста нужно на завтра заранее спосибо
№1
1)(х-3)(3х+2)=(5х-4)(3х-2)
2)(2х+7)(7-2х)=49+х·(х+2)
№2
1)3х²-4х=0
2)4х²-9=0
3)-5х²+6х=0
4)-х²+3=0
5)6u²-u=0
6)2y+y²=0
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