If using the method of completing the square to solve the quadratic equation x^2+x+9=0 which number would have to be added to "complete the square"?

It meand 4 ytjings so with that thatameksbitnhoe eve rnuch it is

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.