How do you solve #x^2+5x+2=0# by completing the square?
Half the middle term, add it to
Take away the term previously halved, but squared.
Turn the extra constant to have the same denominator to make simplifying easier
Plus the constant, making it cancel out:
Get rid of the square bracket by square rooting:
Minus the constant:
Simplify (If needed):
Therefore our 2 answers are: