Michael J. answered 08/07/17
Tutor
5
(5)
Great at Simplifying Complex Concepts and Processes
Add 16 to both sides of the equation. Doing so will make the left side a perfect trinomial square.
x2 - 8x + 16 = -13 + 16
(x - 4)2 = 3
Now can you solve for x from here?