Proportions in similar triangles

Complete the square to determine the minimum or maximum value of the function defined by the expression. x2 − 12x − 2 a) maximum value at 38 b) minimum value at 38 c) maximum value at −38 d) minimum value at −38

Will give brainliest what is the value of x? enter your answer in the box.

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane