SOLUTION: Solve by completing the square : 25 + x^2 = 8x

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Solve by completing the square : 25 + x^2 = 8x      Log On


   

Question 67312This question is from textbook An Incremental Development
: Solve by completing the square :
25 + x^2 = 8x This question is from textbook An Incremental Development

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
25+x^2=8x
x^2-8x=-25
x^2-8x+16x=-25+16
(x-4)(x-4)=-9
x-4=sqrt-9
x-4=3i
x=4+3i