Answers

2015-01-04T22:50:09+08:00
Problem: Square the binomial (x + 6).
Solution: (x + 6)2 = x2 + 12x + 36

x2 is the square of x.

12x  is  twice the product of x with 6.  (x· 6 = 6x.  Twice that is 12x.)

36 is the square of 6.

x2 + 12x + 36 is called a perfect square trinomial.  It is the square of a binomial.


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