SOLUTION: y=x^2-4x-10 i have to do that by completing the square
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Question 960249: y=x^2-4x-10 i have to do that by completing the square
Found 2 solutions by lwsshak3, MathLover1:
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
solve for x by completing the square:
y=x^2-4x-10
x^2-4x-10=0
(x^2-4x+4)=10+4
(x-2)^2=14
x-2=±√14
x=2±√14
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
...first group first two terms
...add some number squared in parentheses and deduct it after
....recall the rule:
compare to and you can see that and =>
....now add it to your equation
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