I need help explaining how to work this problem for my daughter...
What is the value of n so that the expression x² + 11x + n is a perfect square trinomial?
11
25
30.25 I know this is the answer but how
36
What is the value of n so that the expression x² + 11x + n is a perfect square trinomial?
11
25
30.25 I know this is the answer but how
36