F (x) = -x^2 - 4x - 2, for this equation find the solutions, the coordinates of the vertex, and the axis of the symmetry.

Step-by-step explanation:

hello:

Completing The Square x²-4x-2 = (x²-4x+4) - 4-2 = (x-2) ²-6

the vertex is : (2, - 6)

now calculate the solutions : (x-2) ²-6 = 0

(x-2) ² = 6 means : x-2 = √6 or x-2 = - √6

x = 2+√6 or x = 2-√6