Предмет: Алгебра, автор: Anela0

Помогите (по возможности объясните), пожалуйста

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Автор ответа: fenix6810

1

1) 0,5x³-0,6x²+0,5x-0,5x³+0,6x²-0,75x=1

0,5x-0,75x=1

-0,25x=1

x=-4

2) 5x+2x-6x²=15x-6x²-12

8x=12

x=3/2

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