народ помогите пожалуйсто (6а-5)(6а-1)
(6а-5)(6а-1)=
36a²-6a-30a+5=
36a²-36a-5
так?
(6а-5)(6а-1)=36а квадрат-6а-30а+5=36а квадрат-36а+5
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(6а-5)(6а-1)=
36a²-6a-30a+5=
36a²-36a-5
так?
(6а-5)(6а-1)=36а квадрат-6а-30а+5=36а квадрат-36а+5