Question

What is the vertex of the function f(x)=x^2 +12x

Answer 1

= (x + 6)^2 - 36

the vertex is at (-6 , -36)

Answer 2

hello :
f(x) =(x² + 2(6)(x)+6²)-6²
f(x) =(x+6)²-6²
the vertex is : (-6 , -36)