What is the answer to this question 3x+7=4x

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction