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Автор - Secreticsaaa

Решите уравнение пожалуйста

Ответ

Автор - rina2403k

x {}^{2}  - 32 =  - 4x \ x {}^{2}  - 32 + 4x = 0 \ x {}^{2}  + 4x - 32 = 0 \ d = b {}^{2}  - 4ac = 4 {}^{2}  + 4 times 32 = 16 + 128 = 144 \  sqrt{144}  = 12 \ x1 =  frac{ - 4 - 12}{2}  =  frac{ - 16}{2}  =  - 8 \ x2 =  frac{ - 4 + 12}{2}  =  frac{8}{2}  = 4

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