Решите квадратное уравнение.x^2-5x-14=0
x²-5x-14=0
Д=25+4*14=81
x₁=(5+9)/2=7
x₂=(5-9)/2=-2
D=25+56=81
x1=(5+9)/2; x2=(5-9)/2;
x1=7; x2=-2
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Verified answer
x²-5x-14=0
Д=25+4*14=81
x₁=(5+9)/2=7
x₂=(5-9)/2=-2
Verified answer
D=25+56=81
x1=(5+9)/2; x2=(5-9)/2;
x1=7; x2=-2