About the Factoring Calculator
Factor polynomials with integer coefficients, such as x³ − 7x + 6 or 6x² + x − 2, into linear and irreducible factors.
Also known as: factor polynomial, factorise, factor quadratic, factor trinomial, factorization calculator.
How to use this calculator
- Enter polynomial.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Rational root theorem: rational roots are ±(factor of constant)/(factor of leading coefficient)
Worked example
Using the values pre-filled in the calculator above:
- Polynomial: 2x^3 - 3x^2 - 11x + 6
the calculator returns:
- Factored form: (x + 2)(x - 3)(2x - 1)
- Expanded: 2x^3 - 3x^2 - 11x + 6
- Roots: -2, 0.5, 3