Solve the equation by using the general expression for roots of a quadratic equation: ` x^2 +x/sqrt(2)+1=0`

Solve the equation by using the general expression for roots of a quadratic equation: x^(2)+2=0

Solve the equation by using the general expression for roots of a quadratic equation: x^(2)+3=0

Solve the equation by using the general expression for roots of a quadratic equation: x^(2)-x+1=0

Solve the equation by using the general expression for roots of a quadratic equation: x^(2)+x+1=0

Solve the equation by using the general expression for roots of a quadratic equation: x^(2)+x+2=0

Solve the equation by using the general expression for roots of a quadratic equation: 9x^(2)+4=0

Solve the equation by using the general expression for roots of a quadratic equation: x^(2)+x+(1)/(sqrt(2))=0

Solve the equation by using the general expression for roots of a quadratic equation: 2x^(2)-sqrt(3)x+1=0

Solve the equation by using the general expression for roots of a quadratic equation: x^(2)-8x+1=0

Solve the equation by using the general expression for roots of a quadratic equation: x^(2)+2x+2=0