Factoring การแยกตัวประกอบ Rewrite algebraic expression
Function f(x)=y
Sequence = domain all non negative integer
Arithmetic sequence : Sequence differ by same number
Geometric sequence : Ratio of each pair of consecutive member
Quadratic Formula สมการกำลัง 2
= (X + ก)(X + ข)
** ก + ข = b
** ก * ข = c
X= -ก ,-ข
