So f(x) = 0. Getting the zeroes of this purpose is the same as fixing this equation. In the paragraph prior to, the zeroes of this function are +1 and −one, so they are the solutions of this equation. We received this equation by subtracting the identical factor from https://financefeeds.com/ig-group-selects-alloy-to-streamline-identity-risk-management-and-regulatory-compliance/