What value of x will give the minimum value for x^2 + 11x - 5 + 5x
x^2 + 11x - 5 + 5x =
x^2 + 16x - 5
We have the form ax^2 + bx + c
The x that will give the minimum = - b / [2a ] = -16 / ( 2 * 1) = -8
