Question

решите уравнение ()​

Answer 1

30х² + 13х - 3 = 0

D = 169 - 4 × 30 × (-3) = 529 > 0. 23.

х1 = ( -13 + 23 ) / 60 = 10/60 = 1/6.

х2 = ( - 13 - 23 ) / 60 = -36/60 = -0,6.

Ответ : -0,6 ; 1/6.

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