The cube of binomial (x+y) is the sum of four terms where each term can be obtained as follows.
First term: the cube of x
Second term: three times the product of X2(x squared) and y
Third term: three times the product of x and y2
Fourth term: cube of y
for all x and y, (x+y)3 = x3 +3x2y+3xy2+y3
pasensya na di ma superscript ung 3 kaya medyo magulo...