reducible

The complex problem turned out to be reducible to a simple equation.

意味（1）

Capable of being reduced.

意味（2）

(mathematics, of a polynomial) Able to be factored into polynomials of lower degree, as x²-1.

意味（3）

(mathematics, of an integer) Able to be factored into smaller integers; composite.

意味（4）

(topology, of a manifold) Containing a sphere of codimension 1 that is not the boundary of a ball.