Предмет: Алгебра, автор: Sasha12years

помогите пожалуйста очень срочно​

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Ответы

Автор ответа: anelrasid9
2

Ответ:

1. 3m+ 5> 3(m-1)

3m+5>3m-3

3m-3m>-3-5

m>-8

2. p(p-2)< p²-2p+7

p²-2p<p²-2p+7

p²-2p-p²+2p<7

p<7

3.(a+1)(a-1)<a²

a²-a+a-1<a²

a²-a+a-a²<1

a<1

4.x(x+2)>2x-1

x²+2x>2x-1

x²+2x-2x>-1

x²>-1

x>1

не точно

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