Question

Find the value of ‘c’ such that the expression is a perfect-square trinomial

x^2+6x+c

c= __

Answer 1

c = (x + 3)^2

Explanation:

(6/2)^2 = (36/4)

= 9

=x^2 + 6x + 9

= (x + 3)(x + 3)

c = (x + 3)^2