X (во 2 степени) + х = 0 помогите

Question

X (во 2 степени) + х = 0 помогите

Comments

x^2 + x = 0

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x * (x + 1) = 0

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x=0 ____ x+1=0

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______ x=-1

Answer 1

X^2+x=0
Дискриминант=b^2-4ac=1^2-4×1×0=1-0=1
x1=-1-1/2×1=-2/2=-1
x2=-1+1/2×1=0/2=0
Ответ: -1; 0