Автор - tatiana0372

решитб уравнение (x-10)²=(2-x)²

Ответ

Автор - gera9r

(x-10)^2=(2-x)^2

x^2-20x+100=4-4x+x^2

x^2-x^2-20x+4x=4-100

-16x=-96

x=6


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