SOLUTION: Solve W2+6w-11=0 using complete square method

Question 977653: Solve W2+6w-11=0 using complete square method
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Solve W2+6w-11=0 using complete square method
:
w^2 + 6w + __ = 11
Half the coefficient of w and square it: (6/2)^2 = 9, add to both sides
w^2 + 6w + 9 = 11 + 9
w^2 + 6w + 9 = 20
Which is
(w + 3)^2 = 20
find the square root of both sides
w + 3 = +/-
w + 3 = +/-
extract the square root of 4
w + 3 = +/-
Two solutions

and

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