SOLUTION: I am having trouble with a question on Quadratic Equations. It says: SOLVE EACH EQUATION BY COMPLETING THE SQUARE {{{ x^2+10x-11=0 }}} {{{ p^2-8p+12=0 }}} {{{ r^2-2r-15

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Question 846042: I am having trouble with a question on Quadratic Equations. It says:
SOLVE EACH EQUATION BY COMPLETING THE SQUARE



My answers are;
x= 1, -11
p= 6, 2
r= 3, -5
The grading system says they are wrong, but it does make make mistakes sometimes.
Found 2 solutions by psbhowmick, ewatrrr:
Answer by psbhowmick(878)   (Show Source): You can put this solution on YOUR website!






,
Your other answers look correct!
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi,

factoring  (smaller value listed first for solutions)

  x = -11,1



   p = 2, 6



       r = -3, 5      ****  



 

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