- S3 PolynomialsSum of Squares & Perfect Square 平方和與完全平方Difference of Two SquaresDifference of Two Squares 平方差 (1)Difference of Two Squares 平方差 (2)Factoring a Difference of Two Squares and Perfect SquaresFactorizationFactoring TrinomialsQuiz on Factorization of Quadratic Polynomials (Table Method) 因式分解一元二次多項式(表格法):測驗Difference of Two CubesSum And Difference of 2 Cubes