Автор - Karri1196

5х в квадрате +8х+3=0

Ответ

Автор - rina2403k

5x {}^{2}  + 8x + 3 = 0 \ d = 8 times 8 - 4 times 5 times 3 = 64 - 60 = 4 \  sqrt{d}  = 2 \ x1 =  frac{ - 8 + 2}{  10}  =  frac{ - 6}{10}  =  frac{ - 3}{5}  \ x2 =   frac{ - 8 - 2}{10}  =  frac{ - 10}{10}  =  - 1

Ответ

Автор - Physics1444

5x^2+8x+3=0

D=8^2+4*5*3=4=2^2

X1=(-8-2)/10=-1

X1=(-8+2)/10=-0,6


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