A polynomial having only real numbers as coefficients. A polynomial with real coefficients is a product of irreducible polynomials of first and second degrees.
Real Polynomial
See also
PolynomialExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Real Polynomial." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/RealPolynomial.html