Acard is drawn at a random from a well-shuffled deck of playing cards. the probability that the card drawn is an ace or a red card is

(m+11n)^2=(m+11n)(m+11n)=m^2+11mn+11mn+121n^2=m^2+22mn×121n^2 for example; use foil: (a+b)(a+b)first. a^2outside. abinside. ablast. b^2

Solution: x2+4x=276x=27,x=9/2answer: no