Question

For what real values of c is x^2 + 16x + c the square of a binomial? If you find more than one, then list your values separated by commas. Please give me an actual answer and not spam.

Answer 1

recall that (x+a)^2 = a^2+2ax+a^2

You have 2a = 16

Answer 2

C can only equal 64, hope this helps!