SOLUTION: The quadratic equation x^2 - 8x = -20 is to be solved by completing the square.

Question 296652: The quadratic equation x^2 - 8x = -20 is to be solved by completing the square.
Found 2 solutions by richwmiller, checkley77:
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
I'll help you set it up.
take half of the coefficient of x (-8)
8/2=4
square it
16 add to both sides
x^2-8x+16=-4

Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
x^2 - 8x = -20
x^2-8x+16=-20+16
(x-4)^2=-4
x-4=+-(sqrt-4)
x-4=+-2i
x=4+-2i ans.

RELATED QUESTIONS
The quadratic equation x^2 = 8x = -20 is to be solved by completing the square. Which... (answered by richwmiller)
I need this problem solved by both quadratic formula and Completing the square. Thank... (answered by Fombitz)
help Solve the quadratic equation by completing the square. x^2 +8x+11=0 (answered by ewatrrr,ikleyn,josgarithmetic)
Solve the following quadratic equation by completing the square. 2x^2- 8x +5 = 0 (answered by stanbon)
Solve x^2-8x+15 by completing the square and quadratic... (answered by stanbon)
How to solve this quadratic equation by completing the square x^2 + 6X - 7 =... (answered by longjonsilver)
How to slove this Quadratic equation by completing the square:... (answered by rapaljer)
Sviatoslav solved the quadratic equation x^2-x-1=0 by completing the square. In the... (answered by josmiceli,MathLover1)
can you create your own quadratic equation and show how it would be solved by graphing,... (answered by ewatrrr)