Find all solutions of the equation x^3−2^2−3x=0 in z_12

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

In the diagram, gef and hef are congruent. what is the value of x