Question

solve by completing the square.
x(to 2nd power) -6x-16=0

Answer 1

The first thing to do is make it look like something you can complete the square for. Get the x^2 and the x part of the equation alone.

Answer 2

Completing the square
(x-3)^2-3^2-16=0

Answer 3

(x-3)^2=25
x-3=\(\pm\)5

Answer 4

thank you!!!