Автор - summer12345

Решите уравнение
2^2x^2+5x-4=0.5

Ответ

Автор - geniy007
2*2x*2+5x-4=0.5
4x*2+5x-4=0.5
8x+5x-4=0.5
13x-4=0.5
13x=0.5+4
13x=4.5
x=4.5:13
x=0.3461538461538462



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