Calculators > Algebra > Quadratic Equation Calculator

Quadratic Equation Calculator (2nd Order Polynomial)

a		b		c
	x² +		x +		=	0

Solution for x:

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Quadratic Formula:

This online calculator will solve the polynomial with an order of 2 such as ax² + bx + c = 0 for x although, answers will not always be fully reduced or simplified. See notes below.

This will solve quadratic equations (polynomials with an order of 2) using the quadratic formula:

x = [ -b ± sqrt(b² - 4ac) ] / 2a