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# Polynomials

Polynomials are mathematical expressions that contain a sum of powers of indeterminate variables multiplied by coefficients. A core concept in algebra, polynomials are used in calculus and throughout all areas of mathematics. Wolfram|Alpha can compute several interesting properties of polynomials including extrema, roots, alternate forms, symmetry and parity.

Polynomials

Examine polynomials and compute properties like domain and range, degree, roots, plots and discriminant.

Compute properties of a polynomial:

Compute properties of a polynomial in several variables:

Find the degree of a polynomial:

Compute the greatest common divisor of polynomials:

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Factorization

Factorize quadratics and higher-degree polynomials.

Factor a polynomial:

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Expansion

Expand polynomial expressions using FOIL and other methods.

Expand a polynomial:

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Completing the Square

Simplify a polynomial by completing the square.

Complete a square:

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Solving Polynomial Equations

Find all real and complex solutions of univariate and multivariate polynomial equations.

Solve a polynomial equation:

Solve a system of polynomial equations:

Find candidate rational roots of a polynomial:

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Polynomial Interpolation

Find a polynomial curve that passes through a list of points.

Interpolate a dataset with a polynomial:

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