Answers

  • Brainly User
2016-06-22T23:32:45+08:00
ANSWER:  The last term is  25/4.

x² + 5x + 25/4

Factor:  (x + 5/2)²   ⇒   square of binomial

How:

x² + 5x + (b/2)²   ⇒   completing the square

b = 5,  so:

x² + 5x + (5/2)²

x² + 5x + 25/4   ⇒  Perfect square trinomial is the product of
                              square of binomial 



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