Предмет: Математика, автор: фхцхц

Решите уравнение.
а) (2а-1)(а-2)=5;
б) ( 2м-4)(м+3)=(м-4)(м+6).

Ответы

Автор ответа: sharavinalena
0
а) 2а^2-4а-а+2-5=0
2а^2-5а-3=0
D=25+24=49; 7
х1=6
х2=-1


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