(f, g, h, K)
return dup_add(f, dup_mul(g, h, K), K)
Returns ``f + g*h`` where ``f, g, h`` are in ``K[x]``.

    Examples
    ========

    >>> from sympy.polys import ring, ZZ
    >>> R, x = ring("x", ZZ)

    >>> R.dup_add_mul(x**2 - 1, x - 2, x + 2)
    2*x**2 - 5
Returns ``f + g*h`` where ``f, g, h`` are in ``K[x]``.
Returns f + g * h where f g h are in K [ x ] .
def dup_add_mul(f, g, h, K):
    """
    Returns ``f + g*h`` where ``f, g, h`` are in ``K[x]``.

    Examples
    ========

    >>> from sympy.polys import ring, ZZ
    >>> R, x = ring("x", ZZ)

    >>> R.dup_add_mul(x**2 - 1, x - 2, x + 2)
    2*x**2 - 5

    """
    return dup_add(f, dup_mul(g, h, K), K)
def dup_add_mul ( f , g , h , K ) : return dup_add ( f , dup_mul ( g , h , K ) , K )