x^2+16x+69=6

Answer 1

x^2 + 16 x + 63 = 0

x = [-16 +/- sqrt(256 - 252) ]/2

x = -8 +/- .5 sqrt(4)

x = -8 +/- 1

x = -9 or -7

or
(x+7)(x+9) = 0
x = -7
or
x = -9