In this article explained about factoring polynomials by using the basic algebraic expressions like factoring a sum of cubes, factoring a difference of cubes, the sum and difference of two squares
Factoring Polynomials by using Basic Algebraic Expressions
http://www.allmathtricks.com/factorising-algebraic-expressions/
factor theorem state and proof, examples and solutions | Factorise the Polynomial by using Factor Theorem | factor theorem class 9 explanation | Polynomial Basic Concepts
http://www.allmathtricks.com/factor-theorem-polynomial/