Write the function f(x)=-4x squared 24x-32 in vertex form and identify its vertex.

Write the function f(x)=-4x squared 24x-32 in vertex form and identify its vertex.

You missing a +/- in front of the 24x.

Complete the square and then, this will be your vertex:

y = -a(x-b)^2 + c

Vertex (b, c)