Translate into algebra: Nine less than 9x squared.

1. The key words less than signal subtraction. 2. Less than means subtracted from, so nine less than 9x squared means nine subtracted from 9x squared. 3. Writing that as algebra gives 9x squared minus 9, with the 9x squared listed first. _Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 1 "Foundations", section 1.2 Use the Language of Algebra_