Its a Discrete Math question that Im not sure how to answer

It\'s a Discrete Math question that I\'m not sure how to answer.

Given a = 11 (mod 14) and b = 3 (mod 14), find an integer x such that 0 < x < 14 and x = (a·b)²(mod 14)

Solution

a = 11 (mod 14) and b = 3 (mod 14)