SOLUTION: Solve x^2+18x-4=0

Question 131942: Solve
x^2+18x-4=0
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Complete the square. You do this by taking 1/2 of the coefficient of
the term, square it, then add that to both sides of the
equation. First, add to both sides

Find square root of both sides

and

answer
and

answer
check answers:

close enough

close enough
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