Автор - asanovrustam28

10-29а=3а2 решите дискриминант​

Ответ

Автор - sstavridka

Ответ:

D=961

Объяснение:

3 {x}^{2}   + 29x  - 10 = 0 \ d =  {29}^{2}    + 4 times 10  times 3 =  {29}^{2}   + 120 = 841  +  120 = 961 \  sqrt{d}  = 31 \ x1 =   frac{ - 29 + 31}{6}  =  frac{1}{3}  \ x2 =  frac{ - 29 - 31}{6}  =  - 10

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