its a poker book. it says
x is the probability that the original raiser defends, and 1-0.03 is the probability that each blind folds.
then just writes
(1-x)(1-0.03)^2 = 0.667 therefore x = 0.291
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ooooooo i get it
(1-x)(1-0.03)^2 = 0.667 means...