Предмет: Алгебра, автор: vova699

Решите уровние
Х2+6х-2=0

Ответы

Автор ответа: maricha8726
1

ОтветD=b^2-4ac=6^2-4×1×(-2)=36+8=44

x1=-6+44/1=28

x2=-6-44/1=50

Объяснение:

Автор ответа: OblivionFire
0

Объяснение:

х²+6х-2=0

a=1; b=6; c=-2

D=b²-4ac=6²-4*(-2)=44

x=(-b±√D)/(2a)=(-6±√44)/2=

=(-6±2√11)/2=(2(-3±√11))/2= -3±11

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