Hi,

Noting a minor correction in the following question. The question should ask for the real values of x that exist, as the no. of possible values will be 4 if we include ± i√(22/5).

Hi,

Noting a minor correction in the following question. The question should ask for the real values of x that exist, as the no. of possible values will be 4 if we include ± i√(22/5).

Complex numbers don’t exist in GRE world - see https://www.ets.org/pdfs/gre/gre-math-conventions.pdf

Thanks for the reference!