Предмет: Алгебра, автор: 3Be3Daaaa

Найдите, при каких значениях переменной разность квадратов двучленов 5x − 1 и x − 1 равна 32.

Ответы

Автор ответа: sangers1959

3

Ответ:

Объяснение:

(5x-1)²-(x-1)²=32

25x²-10x+1-(x²-2x+1)=32

25x²-10x+1-x²+2x-1=32

24x²-8x-32=0 |÷8

3x²-x-4=0 D=49 √D=7

x₁=-1 x₂=4/3.

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