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Learn how to solve discriminant of quadratic equation problems step by step online.
$x^2+2x+1=0$
Learn how to solve discriminant of quadratic equation problems step by step online. x^2+2x+1=0 . Math interpretation of the question. The discriminant (D) of a quadratic polynomial of the form ax^2+bx+c is calculated using the following formula, where a, b and c are the coefficients of the corresponding terms. From the equation, we see that a=1, b=2 and c=1. Replacing the values of a, b and c in the previous formula, we obtain. Multiply 4 times 1.