COEFFICIENT WORKSPACE
Build your polynomial
YOUR POLYNOMIALx⁴ − 5x² + 4 = 0
Try a sample:
POLYNOMIAL ROOT SOLVER
Find roots beyond cubic equations.
Solve polynomial equations from degree 1 to 10. Real and complex roots are calculated numerically in your browser.Degree 4
Higher-order equations
Supports coefficient-based polynomial equations from degree 1 to 10.
Complex roots included
Non-real roots are displayed in a + bi format when they occur.
Useful verification
A residual is shown for every result to indicate numerical accuracy.