Предмет: Математика, автор: тиМП1

2b+b(3-b) срочно плиз срочно

Ответы

Автор ответа: yagudinagulya

0

=2B+3B-B^2=5B-B^2
можно прировнять к нулю и.. 5B-B^2=0 B(5-B)=0 B=0 ИЛИ B=5

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